825797375

素因数分解:

$5^3\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 1164334080

約数和(自身を除く): 338536705

約数列:

[1, 5, 13, 25, 31, 65, 97, 125, 155, 169, 325, 403, 485, 775, 845, 1261, 1625, 2015, 2197, 2425, 3007, 3875, 4225, 5239, 6305, 10075, 10985, 12125, 15035, 16393, 21125, 26195, 31525, 39091, 50375, 54925, 68107, 75175, 81965, 130975, 157625, 195455, 213109, 274625, 340535, 375875, 409825, 508183, 654875, 977275, 1065545, 1702675, 2049125, 2540915, 4886375, 5327725, 6606379, 8513375, 12704575, 26638625, 33031895, 63522875, 165159475, 825797375]

約数ペア:

[(1, 825797375), (5, 165159475), (13, 63522875), (25, 33031895), (31, 26638625), (65, 12704575), (97, 8513375), (125, 6606379), (155, 5327725), (169, 4886375), (325, 2540915), (403, 2049125), (485, 1702675), (775, 1065545), (845, 977275), (1261, 654875), (1625, 508183), (2015, 409825), (2197, 375875), (2425, 340535), (3007, 274625), (3875, 213109), (4225, 195455), (5239, 157625), (6305, 130975), (10075, 81965), (10985, 75175), (12125, 68107), (15035, 54925), (16393, 50375), (21125, 39091), (26195, 31525)]