647432845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{5021}}^1$

素因数の和:5121

約数の個数: 32

約数和(自身を含む): 865632096

約数和(自身を除く): 218199251

約数列:

[1, 5, 17, 37, 41, 85, 185, 205, 629, 697, 1517, 3145, 3485, 5021, 7585, 25105, 25789, 85357, 128945, 185777, 205861, 426785, 928885, 1029305, 3158209, 3499637, 7616857, 15791045, 17498185, 38084285, 129486569, 647432845]

約数ペア:

[(1, 647432845), (5, 129486569), (17, 38084285), (37, 17498185), (41, 15791045), (85, 7616857), (185, 3499637), (205, 3158209), (629, 1029305), (697, 928885), (1517, 426785), (3145, 205861), (3485, 185777), (5021, 128945), (7585, 85357), (25105, 25789)]