1388404525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{4273}}^1$

素因数の和:4641

約数の個数: 24

約数和(自身を含む): 1769589864

約数和(自身を除く): 381185339

約数列:

[1, 5, 25, 41, 205, 317, 1025, 1585, 4273, 7925, 12997, 21365, 64985, 106825, 175193, 324925, 875965, 1354541, 4379825, 6772705, 33863525, 55536181, 277680905, 1388404525]

約数ペア:

[(1, 1388404525), (5, 277680905), (25, 55536181), (41, 33863525), (205, 6772705), (317, 4379825), (1025, 1354541), (1585, 875965), (4273, 324925), (7925, 175193), (12997, 106825), (21365, 64985)]