202087405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 266928480

約数和(自身を除く): 64841075

約数列:

[1, 5, 13, 65, 89, 181, 193, 445, 905, 965, 1157, 2353, 2509, 5785, 11765, 12545, 16109, 17177, 34933, 80545, 85885, 174665, 209417, 223301, 454129, 1047085, 1116505, 2270645, 3109037, 15545185, 40417481, 202087405]

約数ペア:

[(1, 202087405), (5, 40417481), (13, 15545185), (65, 3109037), (89, 2270645), (181, 1116505), (193, 1047085), (445, 454129), (905, 223301), (965, 209417), (1157, 174665), (2353, 85885), (2509, 80545), (5785, 34933), (11765, 17177), (12545, 16109)]