788347868

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 1879155936

約数和(自身を除く): 1090808068

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 137, 154, 157, 187, 196, 238, 274, 308, 314, 374, 476, 539, 548, 628, 748, 833, 959, 1078, 1099, 1309, 1507, 1666, 1727, 1918, 2156, 2198, 2329, 2618, 2669, 3014, 3332, 3454, 3836, 4396, 4658, 5236, 5338, 6028, 6713, 6908, 7693, 9163, 9316, 10549, 10676, 12089, 13426, 15386, 16303, 18326, 18683, 21098, 21509, 24178, 25619, 26852, 29359, 30772, 32606, 36652, 37366, 42196, 43018, 48356, 51238, 58718, 65212, 73843, 74732, 84623, 86036, 102476, 114121, 117436, 130781, 147686, 150563, 169246, 179333, 205513, 228242, 236599, 261562, 295372, 301126, 338492, 358666, 365653, 411026, 456484, 473198, 523124, 602252, 717332, 731306, 822052, 946396, 1053941, 1255331, 1438591, 1462612, 1656193, 2107882, 2510662, 2559571, 2877182, 3312386, 4022183, 4215764, 5021324, 5119142, 5754364, 6624772, 8044366, 10238284, 11593351, 16088732, 17916997, 23186702, 28155281, 35833994, 46373404, 56310562, 71667988, 112621124, 197086967, 394173934, 788347868]

約数ペア:

[(1, 788347868), (2, 394173934), (4, 197086967), (7, 112621124), (11, 71667988), (14, 56310562), (17, 46373404), (22, 35833994), (28, 28155281), (34, 23186702), (44, 17916997), (49, 16088732), (68, 11593351), (77, 10238284), (98, 8044366), (119, 6624772), (137, 5754364), (154, 5119142), (157, 5021324), (187, 4215764), (196, 4022183), (238, 3312386), (274, 2877182), (308, 2559571), (314, 2510662), (374, 2107882), (476, 1656193), (539, 1462612), (548, 1438591), (628, 1255331), (748, 1053941), (833, 946396), (959, 822052), (1078, 731306), (1099, 717332), (1309, 602252), (1507, 523124), (1666, 473198), (1727, 456484), (1918, 411026), (2156, 365653), (2198, 358666), (2329, 338492), (2618, 301126), (2669, 295372), (3014, 261562), (3332, 236599), (3454, 228242), (3836, 205513), (4396, 179333), (4658, 169246), (5236, 150563), (5338, 147686), (6028, 130781), (6713, 117436), (6908, 114121), (7693, 102476), (9163, 86036), (9316, 84623), (10549, 74732), (10676, 73843), (12089, 65212), (13426, 58718), (15386, 51238), (16303, 48356), (18326, 43018), (18683, 42196), (21098, 37366), (21509, 36652), (24178, 32606), (25619, 30772), (26852, 29359)]