28131858

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{25621}}^1$

素因数の和:25690

約数の個数: 24

約数和(自身を含む): 61953996

約数和(自身を除く): 33822138

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 25621, 51242, 76863, 153726, 230589, 461178, 1562881, 3125762, 4688643, 9377286, 14065929, 28131858]

約数ペア:

[(1, 28131858), (2, 14065929), (3, 9377286), (6, 4688643), (9, 3125762), (18, 1562881), (61, 461178), (122, 230589), (183, 153726), (366, 76863), (549, 51242), (1098, 25621)]