668964426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1873}}^1$

素因数の和:2151

約数の個数: 64

約数和(自身を含む): 1523786880

約数和(自身を除く): 854822454

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 241, 247, 482, 494, 723, 741, 1446, 1482, 1873, 3133, 3746, 4579, 5619, 6266, 9158, 9399, 11238, 13737, 18798, 24349, 27474, 35587, 48698, 59527, 71174, 73047, 106761, 119054, 146094, 178581, 213522, 357162, 451393, 462631, 902786, 925262, 1354179, 1387893, 2708358, 2775786, 5868109, 8576467, 11736218, 17152934, 17604327, 25729401, 35208654, 51458802, 111494071, 222988142, 334482213, 668964426]

約数ペア:

[(1, 668964426), (2, 334482213), (3, 222988142), (6, 111494071), (13, 51458802), (19, 35208654), (26, 25729401), (38, 17604327), (39, 17152934), (57, 11736218), (78, 8576467), (114, 5868109), (241, 2775786), (247, 2708358), (482, 1387893), (494, 1354179), (723, 925262), (741, 902786), (1446, 462631), (1482, 451393), (1873, 357162), (3133, 213522), (3746, 178581), (4579, 146094), (5619, 119054), (6266, 106761), (9158, 73047), (9399, 71174), (11238, 59527), (13737, 48698), (18798, 35587), (24349, 27474)]