647501636292

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{389}}^1\times {\mathrm{20663}}^1$

素因数の和:21210

約数の個数: 144

約数和(自身を含む): 1774969822080

約数和(自身を除く): 1127468185788

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 137, 147, 196, 274, 294, 389, 411, 548, 588, 778, 822, 959, 1167, 1556, 1644, 1918, 2334, 2723, 2877, 3836, 4668, 5446, 5754, 6713, 8169, 10892, 11508, 13426, 16338, 19061, 20139, 20663, 26852, 32676, 38122, 40278, 41326, 53293, 57183, 61989, 76244, 80556, 82652, 106586, 114366, 123978, 144641, 159879, 213172, 228732, 247956, 289282, 319758, 373051, 433923, 578564, 639516, 746102, 867846, 1012487, 1119153, 1492204, 1735692, 2024974, 2238306, 2611357, 2830831, 3037461, 4049948, 4476612, 5222714, 5661662, 6074922, 7834071, 8037907, 8492493, 10445428, 11323324, 12149844, 15668142, 16075814, 16984986, 19815817, 24113721, 31336284, 32151628, 33969972, 39631634, 48227442, 56265349, 59447451, 79263268, 96454884, 112530698, 118894902, 138710719, 168796047, 225061396, 237789804, 277421438, 337592094, 393857443, 416132157, 554842876, 675184188, 787714886, 832264314, 1101193259, 1181572329, 1575429772, 1664528628, 2202386518, 2363144658, 3303579777, 4404773036, 4726289316, 6607159554, 7708352813, 13214319108, 15416705626, 23125058439, 30833411252, 46250116878, 53958469691, 92500233756, 107916939382, 161875409073, 215833878764, 323750818146, 647501636292]

約数ペア:

[(1, 647501636292), (2, 323750818146), (3, 215833878764), (4, 161875409073), (6, 107916939382), (7, 92500233756), (12, 53958469691), (14, 46250116878), (21, 30833411252), (28, 23125058439), (42, 15416705626), (49, 13214319108), (84, 7708352813), (98, 6607159554), (137, 4726289316), (147, 4404773036), (196, 3303579777), (274, 2363144658), (294, 2202386518), (389, 1664528628), (411, 1575429772), (548, 1181572329), (588, 1101193259), (778, 832264314), (822, 787714886), (959, 675184188), (1167, 554842876), (1556, 416132157), (1644, 393857443), (1918, 337592094), (2334, 277421438), (2723, 237789804), (2877, 225061396), (3836, 168796047), (4668, 138710719), (5446, 118894902), (5754, 112530698), (6713, 96454884), (8169, 79263268), (10892, 59447451), (11508, 56265349), (13426, 48227442), (16338, 39631634), (19061, 33969972), (20139, 32151628), (20663, 31336284), (26852, 24113721), (32676, 19815817), (38122, 16984986), (40278, 16075814), (41326, 15668142), (53293, 12149844), (57183, 11323324), (61989, 10445428), (76244, 8492493), (80556, 8037907), (82652, 7834071), (106586, 6074922), (114366, 5661662), (123978, 5222714), (144641, 4476612), (159879, 4049948), (213172, 3037461), (228732, 2830831), (247956, 2611357), (289282, 2238306), (319758, 2024974), (373051, 1735692), (433923, 1492204), (578564, 1119153), (639516, 1012487), (746102, 867846)]