9991625

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 15025920

約数和(自身を除く): 5034295

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 601, 665, 875, 2375, 3005, 3325, 4207, 11419, 15025, 16625, 21035, 57095, 75125, 79933, 105175, 285475, 399665, 525875, 1427375, 1998325, 9991625]

約数ペア:

[(1, 9991625), (5, 1998325), (7, 1427375), (19, 525875), (25, 399665), (35, 285475), (95, 105175), (125, 79933), (133, 75125), (175, 57095), (475, 21035), (601, 16625), (665, 15025), (875, 11419), (2375, 4207), (3005, 3325)]