31396862

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 56377344

約数和(自身を除く): 24980482

約数列:

[1, 2, 7, 14, 31, 62, 73, 146, 217, 434, 511, 991, 1022, 1982, 2263, 4526, 6937, 13874, 15841, 30721, 31682, 61442, 72343, 144686, 215047, 430094, 506401, 1012802, 2242633, 4485266, 15698431, 31396862]

約数ペア:

[(1, 31396862), (2, 15698431), (7, 4485266), (14, 2242633), (31, 1012802), (62, 506401), (73, 430094), (146, 215047), (217, 144686), (434, 72343), (511, 61442), (991, 31682), (1022, 30721), (1982, 15841), (2263, 13874), (4526, 6937)]