489243674

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{509}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 781401600

約数和(自身を除く): 292157926

約数列:

[1, 2, 31, 37, 62, 74, 419, 509, 838, 1018, 1147, 2294, 12989, 15503, 15779, 18833, 25978, 31006, 31558, 37666, 213271, 426542, 480593, 583823, 961186, 1167646, 6611401, 7891027, 13222802, 15782054, 244621837, 489243674]

約数ペア:

[(1, 489243674), (2, 244621837), (31, 15782054), (37, 13222802), (62, 7891027), (74, 6611401), (419, 1167646), (509, 961186), (838, 583823), (1018, 480593), (1147, 426542), (2294, 213271), (12989, 37666), (15503, 31558), (15779, 31006), (18833, 25978)]