71561165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 97445376

約数和(自身を除く): 25884211

約数列:

[1, 5, 13, 23, 65, 115, 151, 299, 317, 755, 1495, 1585, 1963, 3473, 4121, 7291, 9815, 17365, 20605, 36455, 45149, 47867, 94783, 225745, 239335, 473915, 622271, 1100941, 3111355, 5504705, 14312233, 71561165]

約数ペア:

[(1, 71561165), (5, 14312233), (13, 5504705), (23, 3111355), (65, 1100941), (115, 622271), (151, 473915), (299, 239335), (317, 225745), (755, 94783), (1495, 47867), (1585, 45149), (1963, 36455), (3473, 20605), (4121, 17365), (7291, 9815)]