9969775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 13193600

約数和(自身を除く): 3223825

約数列:

[1, 5, 19, 25, 95, 139, 151, 475, 695, 755, 2641, 2869, 3475, 3775, 13205, 14345, 20989, 66025, 71725, 104945, 398791, 524725, 1993955, 9969775]

約数ペア:

[(1, 9969775), (5, 1993955), (19, 524725), (25, 398791), (95, 104945), (139, 71725), (151, 66025), (475, 20989), (695, 14345), (755, 13205), (2641, 3775), (2869, 3475)]