161725915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{967}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 218566656

約数和(自身を除く): 56840741

約数列:

[1, 5, 13, 31, 65, 83, 155, 403, 415, 967, 1079, 2015, 2573, 4835, 5395, 12571, 12865, 29977, 33449, 62855, 80261, 149885, 167245, 389701, 401305, 1043393, 1948505, 2488091, 5216965, 12440455, 32345183, 161725915]

約数ペア:

[(1, 161725915), (5, 32345183), (13, 12440455), (31, 5216965), (65, 2488091), (83, 1948505), (155, 1043393), (403, 401305), (415, 389701), (967, 167245), (1079, 149885), (2015, 80261), (2573, 62855), (4835, 33449), (5395, 29977), (12571, 12865)]