72721948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{1777}}^1$

素因数の和:2581

約数の個数: 24

約数和(自身を含む): 137304272

約数和(自身を除く): 64582324

約数列:

[1, 2, 4, 13, 26, 52, 787, 1574, 1777, 3148, 3554, 7108, 10231, 20462, 23101, 40924, 46202, 92404, 1398499, 2796998, 5593996, 18180487, 36360974, 72721948]

約数ペア:

[(1, 72721948), (2, 36360974), (4, 18180487), (13, 5593996), (26, 2796998), (52, 1398499), (787, 92404), (1574, 46202), (1777, 40924), (3148, 23101), (3554, 20462), (7108, 10231)]