28856737

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 36628200

約数和(自身を除く): 7771463

約数列:

[1, 7, 13, 49, 89, 91, 509, 623, 637, 1157, 3563, 4361, 6617, 8099, 24941, 45301, 46319, 56693, 317107, 324233, 588913, 2219749, 4122391, 28856737]

約数ペア:

[(1, 28856737), (7, 4122391), (13, 2219749), (49, 588913), (89, 324233), (91, 317107), (509, 56693), (623, 46319), (637, 45301), (1157, 24941), (3563, 8099), (4361, 6617)]