215815535

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{8807}}^1$

素因数の和:8867

約数の個数: 24

約数和(自身を含む): 290135520

約数和(自身を除く): 74319985

約数列:

[1, 5, 13, 29, 65, 145, 169, 377, 845, 1885, 4901, 8807, 24505, 44035, 114491, 255403, 572455, 1277015, 1488383, 3320239, 7441915, 16601195, 43163107, 215815535]

約数ペア:

[(1, 215815535), (5, 43163107), (13, 16601195), (29, 7441915), (65, 3320239), (145, 1488383), (169, 1277015), (377, 572455), (845, 255403), (1885, 114491), (4901, 44035), (8807, 24505)]