1258691312

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{3877}}^1$

素因数の和:4185

約数の個数: 40

約数和(自身を含む): 2475529056

約数和(自身を除く): 1216837744

約数列:

[1, 2, 4, 8, 16, 103, 197, 206, 394, 412, 788, 824, 1576, 1648, 3152, 3877, 7754, 15508, 20291, 31016, 40582, 62032, 81164, 162328, 324656, 399331, 763769, 798662, 1527538, 1597324, 3055076, 3194648, 6110152, 6389296, 12220304, 78668207, 157336414, 314672828, 629345656, 1258691312]

約数ペア:

[(1, 1258691312), (2, 629345656), (4, 314672828), (8, 157336414), (16, 78668207), (103, 12220304), (197, 6389296), (206, 6110152), (394, 3194648), (412, 3055076), (788, 1597324), (824, 1527538), (1576, 798662), (1648, 763769), (3152, 399331), (3877, 324656), (7754, 162328), (15508, 81164), (20291, 62032), (31016, 40582)]