16642925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 22785000

約数和(自身を除く): 6142075

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 1249, 2665, 6245, 13325, 16237, 31225, 51209, 81185, 256045, 405925, 665717, 1280225, 3328585, 16642925]

約数ペア:

[(1, 16642925), (5, 3328585), (13, 1280225), (25, 665717), (41, 405925), (65, 256045), (205, 81185), (325, 51209), (533, 31225), (1025, 16237), (1249, 13325), (2665, 6245)]