28156525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 36854784

約数和(自身を除く): 8698259

約数列:

[1, 5, 25, 31, 47, 155, 235, 773, 775, 1175, 1457, 3865, 7285, 19325, 23963, 36331, 36425, 119815, 181655, 599075, 908275, 1126261, 5631305, 28156525]

約数ペア:

[(1, 28156525), (5, 5631305), (25, 1126261), (31, 908275), (47, 599075), (155, 181655), (235, 119815), (773, 36425), (775, 36331), (1175, 23963), (1457, 19325), (3865, 7285)]