28471261

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 36154944

約数和(自身を除く): 7683683

約数列:

[1, 7, 13, 41, 91, 169, 287, 533, 587, 1183, 3731, 4109, 6929, 7631, 24067, 48503, 53417, 99203, 168469, 312871, 694421, 2190097, 4067323, 28471261]

約数ペア:

[(1, 28471261), (7, 4067323), (13, 2190097), (41, 694421), (91, 312871), (169, 168469), (287, 99203), (533, 53417), (587, 48503), (1183, 24067), (3731, 7631), (4109, 6929)]