253611253

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 314302464

約数和(自身を除く): 60691211

約数列:

[1, 7, 17, 97, 119, 127, 173, 679, 889, 1211, 1649, 2159, 2941, 11543, 12319, 15113, 16781, 20587, 21971, 86233, 117467, 153797, 209423, 285277, 373507, 1465961, 1996939, 2131187, 2614549, 14918309, 36230179, 253611253]

約数ペア:

[(1, 253611253), (7, 36230179), (17, 14918309), (97, 2614549), (119, 2131187), (127, 1996939), (173, 1465961), (679, 373507), (889, 285277), (1211, 209423), (1649, 153797), (2159, 117467), (2941, 86233), (11543, 21971), (12319, 20587), (15113, 16781)]