9940255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 13749120

約数和(自身を除く): 3808865

約数列:

[1, 5, 13, 23, 61, 65, 109, 115, 299, 305, 545, 793, 1403, 1417, 1495, 2507, 3965, 6649, 7015, 7085, 12535, 18239, 32591, 33245, 86437, 91195, 152927, 162955, 432185, 764635, 1988051, 9940255]

約数ペア:

[(1, 9940255), (5, 1988051), (13, 764635), (23, 432185), (61, 162955), (65, 152927), (109, 91195), (115, 86437), (299, 33245), (305, 32591), (545, 18239), (793, 12535), (1403, 7085), (1417, 7015), (1495, 6649), (2507, 3965)]