205653890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{3571}}^1$

素因数の和:4034

約数の個数: 32

約数和(自身を含む): 399663936

約数和(自身を除く): 194010046

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 443, 886, 2215, 3571, 4430, 5759, 7142, 11518, 17855, 28795, 35710, 46423, 57590, 92846, 232115, 464230, 1581953, 3163906, 7909765, 15819530, 20565389, 41130778, 102826945, 205653890]

約数ペア:

[(1, 205653890), (2, 102826945), (5, 41130778), (10, 20565389), (13, 15819530), (26, 7909765), (65, 3163906), (130, 1581953), (443, 464230), (886, 232115), (2215, 92846), (3571, 57590), (4430, 46423), (5759, 35710), (7142, 28795), (11518, 17855)]