13640375

素因数分解:

$5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 21127392

約数和(自身を除く): 7487017

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 125, 131, 175, 245, 425, 595, 655, 833, 875, 917, 1225, 2125, 2227, 2975, 3275, 4165, 4585, 6125, 6419, 11135, 14875, 15589, 16375, 20825, 22925, 32095, 55675, 77945, 104125, 109123, 114625, 160475, 278375, 389725, 545615, 802375, 1948625, 2728075, 13640375]

約数ペア:

[(1, 13640375), (5, 2728075), (7, 1948625), (17, 802375), (25, 545615), (35, 389725), (49, 278375), (85, 160475), (119, 114625), (125, 109123), (131, 104125), (175, 77945), (245, 55675), (425, 32095), (595, 22925), (655, 20825), (833, 16375), (875, 15589), (917, 14875), (1225, 11135), (2125, 6419), (2227, 6125), (2975, 4585), (3275, 4165)]