81008764

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{223}}^1\times {\mathrm{461}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 143434368

約数和(自身を除く): 62425604

約数列:

[1, 2, 4, 197, 223, 394, 446, 461, 788, 892, 922, 1844, 43931, 87862, 90817, 102803, 175724, 181634, 205606, 363268, 411212, 20252191, 40504382, 81008764]

約数ペア:

[(1, 81008764), (2, 40504382), (4, 20252191), (197, 411212), (223, 363268), (394, 205606), (446, 181634), (461, 175724), (788, 102803), (892, 90817), (922, 87862), (1844, 43931)]