68945615

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 89631360

約数和(自身を除く): 20685745

約数列:

[1, 5, 29, 37, 71, 145, 181, 185, 355, 905, 1073, 2059, 2627, 5249, 5365, 6697, 10295, 12851, 13135, 26245, 33485, 64255, 76183, 194213, 372679, 380915, 475487, 971065, 1863395, 2377435, 13789123, 68945615]

約数ペア:

[(1, 68945615), (5, 13789123), (29, 2377435), (37, 1863395), (71, 971065), (145, 475487), (181, 380915), (185, 372679), (355, 194213), (905, 76183), (1073, 64255), (2059, 33485), (2627, 26245), (5249, 13135), (5365, 12851), (6697, 10295)]