47971945

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 68728320

約数和(自身を除く): 20756375

約数列:

[1, 5, 7, 29, 35, 145, 151, 203, 313, 755, 1015, 1057, 1565, 2191, 4379, 5285, 9077, 10955, 21895, 30653, 45385, 47263, 63539, 153265, 236315, 317695, 330841, 1370627, 1654205, 6853135, 9594389, 47971945]

約数ペア:

[(1, 47971945), (5, 9594389), (7, 6853135), (29, 1654205), (35, 1370627), (145, 330841), (151, 317695), (203, 236315), (313, 153265), (755, 63539), (1015, 47263), (1057, 45385), (1565, 30653), (2191, 21895), (4379, 10955), (5285, 9077)]