208334405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 275788800

約数和(自身を除く): 67454395

約数列:

[1, 5, 17, 29, 85, 145, 223, 379, 493, 1115, 1895, 2465, 3791, 6443, 6467, 10991, 18955, 32215, 32335, 54955, 84517, 109939, 186847, 422585, 549695, 934235, 1436789, 2450993, 7183945, 12254965, 41666881, 208334405]

約数ペア:

[(1, 208334405), (5, 41666881), (17, 12254965), (29, 7183945), (85, 2450993), (145, 1436789), (223, 934235), (379, 549695), (493, 422585), (1115, 186847), (1895, 109939), (2465, 84517), (3791, 54955), (6443, 32335), (6467, 32215), (10991, 18955)]