28587455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 40134528

約数和(自身を除く): 11547073

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 533, 631, 697, 1105, 2665, 3155, 3485, 8203, 9061, 10727, 25871, 41015, 45305, 53635, 129355, 139451, 336323, 439807, 697255, 1681615, 2199035, 5717491, 28587455]

約数ペア:

[(1, 28587455), (5, 5717491), (13, 2199035), (17, 1681615), (41, 697255), (65, 439807), (85, 336323), (205, 139451), (221, 129355), (533, 53635), (631, 45305), (697, 41015), (1105, 25871), (2665, 10727), (3155, 9061), (3485, 8203)]