66871525

素因数分解:

$5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:794

約数の個数: 36

約数和(自身を含む): 97821120

約数和(自身を除く): 30949595

約数列:

[1, 5, 7, 25, 35, 49, 79, 175, 245, 395, 553, 691, 1225, 1975, 2765, 3455, 3871, 4837, 13825, 17275, 19355, 24185, 33859, 54589, 96775, 120925, 169295, 272945, 382123, 846475, 1364725, 1910615, 2674861, 9553075, 13374305, 66871525]

約数ペア:

[(1, 66871525), (5, 13374305), (7, 9553075), (25, 2674861), (35, 1910615), (49, 1364725), (79, 846475), (175, 382123), (245, 272945), (395, 169295), (553, 120925), (691, 96775), (1225, 54589), (1975, 33859), (2765, 24185), (3455, 19355), (3871, 17275), (4837, 13825)]