27806990

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 51226560

約数和(自身を除く): 23419570

約数列:

[1, 2, 5, 10, 97, 109, 194, 218, 263, 485, 526, 545, 970, 1090, 1315, 2630, 10573, 21146, 25511, 28667, 51022, 52865, 57334, 105730, 127555, 143335, 255110, 286670, 2780699, 5561398, 13903495, 27806990]

約数ペア:

[(1, 27806990), (2, 13903495), (5, 5561398), (10, 2780699), (97, 286670), (109, 255110), (194, 143335), (218, 127555), (263, 105730), (485, 57334), (526, 52865), (545, 51022), (970, 28667), (1090, 25511), (1315, 21146), (2630, 10573)]