123327710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{15791}}^1$

素因数の和:15880

約数の個数: 32

約数和(自身を含む): 245597184

約数和(自身を除く): 122269474

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 15791, 31582, 78955, 157910, 173701, 347402, 868505, 1121161, 1737010, 2242322, 5605805, 11211610, 12332771, 24665542, 61663855, 123327710]

約数ペア:

[(1, 123327710), (2, 61663855), (5, 24665542), (10, 12332771), (11, 11211610), (22, 5605805), (55, 2242322), (71, 1737010), (110, 1121161), (142, 868505), (355, 347402), (710, 173701), (781, 157910), (1562, 78955), (3905, 31582), (7810, 15791)]