78940225

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4957}}^1$

素因数の和:4994

約数の個数: 36

約数和(自身を含む): 122651004

約数和(自身を除く): 43710779

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 1225, 2275, 3185, 4957, 15925, 24785, 34699, 64441, 123925, 173495, 242893, 322205, 451087, 867475, 1214465, 1611025, 2255435, 3157609, 6072325, 11277175, 15788045, 78940225]

約数ペア:

[(1, 78940225), (5, 15788045), (7, 11277175), (13, 6072325), (25, 3157609), (35, 2255435), (49, 1611025), (65, 1214465), (91, 867475), (175, 451087), (245, 322205), (325, 242893), (455, 173495), (637, 123925), (1225, 64441), (2275, 34699), (3185, 24785), (4957, 15925)]