197780454

素因数分解:

$2^1\times 3^4\times {\mathrm{661}}^1\times {\mathrm{1847}}^1$

素因数の和:2522

約数の個数: 40

約数和(自身を含む): 444085488

約数和(自身を除く): 246305034

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 661, 1322, 1847, 1983, 3694, 3966, 5541, 5949, 11082, 11898, 16623, 17847, 33246, 35694, 49869, 53541, 99738, 107082, 149607, 299214, 1220867, 2441734, 3662601, 7325202, 10987803, 21975606, 32963409, 65926818, 98890227, 197780454]

約数ペア:

[(1, 197780454), (2, 98890227), (3, 65926818), (6, 32963409), (9, 21975606), (18, 10987803), (27, 7325202), (54, 3662601), (81, 2441734), (162, 1220867), (661, 299214), (1322, 149607), (1847, 107082), (1983, 99738), (3694, 53541), (3966, 49869), (5541, 35694), (5949, 33246), (11082, 17847), (11898, 16623)]