71921305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 95644800

約数和(自身を除く): 23723495

約数列:

[1, 5, 17, 29, 85, 145, 163, 179, 493, 815, 895, 2465, 2771, 3043, 4727, 5191, 13855, 15215, 23635, 25955, 29177, 80359, 88247, 145885, 401795, 441235, 496009, 846133, 2480045, 4230665, 14384261, 71921305]

約数ペア:

[(1, 71921305), (5, 14384261), (17, 4230665), (29, 2480045), (85, 846133), (145, 496009), (163, 441235), (179, 401795), (493, 145885), (815, 88247), (895, 80359), (2465, 29177), (2771, 25955), (3043, 23635), (4727, 15215), (5191, 13855)]