216881964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 616412160

約数和(自身を除く): 399530196

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 89, 117, 123, 127, 156, 164, 178, 234, 246, 254, 267, 356, 369, 381, 468, 492, 508, 533, 534, 738, 762, 801, 1066, 1068, 1143, 1157, 1476, 1524, 1599, 1602, 1651, 2132, 2286, 2314, 3198, 3204, 3302, 3471, 3649, 4572, 4628, 4797, 4953, 5207, 6396, 6604, 6942, 7298, 9594, 9906, 10413, 10414, 10947, 11303, 13884, 14596, 14859, 15621, 19188, 19812, 20826, 20828, 21894, 22606, 29718, 31242, 32841, 33909, 41652, 43788, 45212, 46863, 47437, 59436, 62484, 65682, 67691, 67818, 93726, 94874, 101727, 131364, 135382, 135636, 142311, 146939, 187452, 189748, 203073, 203454, 270764, 284622, 293878, 406146, 406908, 426933, 440817, 463423, 569244, 587756, 609219, 812292, 853866, 881634, 926846, 1218438, 1322451, 1390269, 1707732, 1763268, 1853692, 2436876, 2644902, 2780538, 4170807, 5289804, 5561076, 6024499, 8341614, 12048998, 16683228, 18073497, 24097996, 36146994, 54220491, 72293988, 108440982, 216881964]

約数ペア:

[(1, 216881964), (2, 108440982), (3, 72293988), (4, 54220491), (6, 36146994), (9, 24097996), (12, 18073497), (13, 16683228), (18, 12048998), (26, 8341614), (36, 6024499), (39, 5561076), (41, 5289804), (52, 4170807), (78, 2780538), (82, 2644902), (89, 2436876), (117, 1853692), (123, 1763268), (127, 1707732), (156, 1390269), (164, 1322451), (178, 1218438), (234, 926846), (246, 881634), (254, 853866), (267, 812292), (356, 609219), (369, 587756), (381, 569244), (468, 463423), (492, 440817), (508, 426933), (533, 406908), (534, 406146), (738, 293878), (762, 284622), (801, 270764), (1066, 203454), (1068, 203073), (1143, 189748), (1157, 187452), (1476, 146939), (1524, 142311), (1599, 135636), (1602, 135382), (1651, 131364), (2132, 101727), (2286, 94874), (2314, 93726), (3198, 67818), (3204, 67691), (3302, 65682), (3471, 62484), (3649, 59436), (4572, 47437), (4628, 46863), (4797, 45212), (4953, 43788), (5207, 41652), (6396, 33909), (6604, 32841), (6942, 31242), (7298, 29718), (9594, 22606), (9906, 21894), (10413, 20828), (10414, 20826), (10947, 19812), (11303, 19188), (13884, 15621), (14596, 14859)]