251920908

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{26209}}^1$

素因数の和:26311

約数の個数: 48

約数和(自身を含む): 660492000

約数和(自身を除く): 408571092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2403, 3204, 4806, 9612, 26209, 52418, 78627, 104836, 157254, 235881, 314508, 471762, 707643, 943524, 1415286, 2332601, 2830572, 4665202, 6997803, 9330404, 13995606, 20993409, 27991212, 41986818, 62980227, 83973636, 125960454, 251920908]

約数ペア:

[(1, 251920908), (2, 125960454), (3, 83973636), (4, 62980227), (6, 41986818), (9, 27991212), (12, 20993409), (18, 13995606), (27, 9330404), (36, 6997803), (54, 4665202), (89, 2830572), (108, 2332601), (178, 1415286), (267, 943524), (356, 707643), (534, 471762), (801, 314508), (1068, 235881), (1602, 157254), (2403, 104836), (3204, 78627), (4806, 52418), (9612, 26209)]