72203515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 94648320

約数和(自身を除く): 22444805

約数列:

[1, 5, 19, 47, 95, 103, 157, 235, 515, 785, 893, 1957, 2983, 4465, 4841, 7379, 9785, 14915, 16171, 24205, 36895, 80855, 91979, 140201, 307249, 459895, 701005, 760037, 1536245, 3800185, 14440703, 72203515]

約数ペア:

[(1, 72203515), (5, 14440703), (19, 3800185), (47, 1536245), (95, 760037), (103, 701005), (157, 459895), (235, 307249), (515, 140201), (785, 91979), (893, 80855), (1957, 36895), (2983, 24205), (4465, 16171), (4841, 14915), (7379, 9785)]