248701375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4937}}^1$

素因数の和:4996

約数の個数: 32

約数和(自身を含む): 345106944

約数和(自身を除く): 96405569

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 1625, 2015, 3875, 4937, 10075, 24685, 50375, 64181, 123425, 153047, 320905, 617125, 765235, 1604525, 1989611, 3826175, 8022625, 9948055, 19130875, 49740275, 248701375]

約数ペア:

[(1, 248701375), (5, 49740275), (13, 19130875), (25, 9948055), (31, 8022625), (65, 3826175), (125, 1989611), (155, 1604525), (325, 765235), (403, 617125), (775, 320905), (1625, 153047), (2015, 123425), (3875, 64181), (4937, 50375), (10075, 24685)]