42390985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{617}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 63124992

約数和(自身を除く): 20734007

約数列:

[1, 5, 7, 13, 35, 65, 91, 151, 455, 617, 755, 1057, 1963, 3085, 4319, 5285, 8021, 9815, 13741, 21595, 40105, 56147, 68705, 93167, 280735, 465835, 652169, 1211171, 3260845, 6055855, 8478197, 42390985]

約数ペア:

[(1, 42390985), (5, 8478197), (7, 6055855), (13, 3260845), (35, 1211171), (65, 652169), (91, 465835), (151, 280735), (455, 93167), (617, 68705), (755, 56147), (1057, 40105), (1963, 21595), (3085, 13741), (4319, 9815), (5285, 8021)]