28524725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1637}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 38388168

約数和(自身を除く): 9863443

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 1025, 1637, 3485, 8185, 17425, 27829, 40925, 67117, 139145, 335585, 695725, 1140989, 1677925, 5704945, 28524725]

約数ペア:

[(1, 28524725), (5, 5704945), (17, 1677925), (25, 1140989), (41, 695725), (85, 335585), (205, 139145), (425, 67117), (697, 40925), (1025, 27829), (1637, 17425), (3485, 8185)]