51560405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 73029600

約数和(自身を除く): 21469195

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1609, 1885, 2465, 6409, 8045, 20917, 27353, 32045, 46661, 104585, 136765, 233305, 355589, 606593, 793237, 1777945, 3032965, 3966185, 10312081, 51560405]

約数ペア:

[(1, 51560405), (5, 10312081), (13, 3966185), (17, 3032965), (29, 1777945), (65, 793237), (85, 606593), (145, 355589), (221, 233305), (377, 136765), (493, 104585), (1105, 46661), (1609, 32045), (1885, 27353), (2465, 20917), (6409, 8045)]