1645046

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 24

約数和(自身を含む): 2775744

約数和(自身を除く): 1130698

約数列:

[1, 2, 13, 26, 31, 62, 157, 169, 314, 338, 403, 806, 2041, 4082, 4867, 5239, 9734, 10478, 26533, 53066, 63271, 126542, 822523, 1645046]

約数ペア:

[(1, 1645046), (2, 822523), (13, 126542), (26, 63271), (31, 53066), (62, 26533), (157, 10478), (169, 9734), (314, 5239), (338, 4867), (403, 4082), (806, 2041)]