89901175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 140546560

約数和(自身を除く): 50645385

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 175, 215, 301, 325, 455, 559, 919, 1075, 1505, 2275, 2795, 3913, 4595, 6433, 7525, 11947, 13975, 19565, 22975, 32165, 39517, 59735, 83629, 97825, 160825, 197585, 276619, 298675, 418145, 513721, 987925, 1383095, 2090725, 2568605, 3596047, 6915475, 12843025, 17980235, 89901175]

約数ペア:

[(1, 89901175), (5, 17980235), (7, 12843025), (13, 6915475), (25, 3596047), (35, 2568605), (43, 2090725), (65, 1383095), (91, 987925), (175, 513721), (215, 418145), (301, 298675), (325, 276619), (455, 197585), (559, 160825), (919, 97825), (1075, 83629), (1505, 59735), (2275, 39517), (2795, 32165), (3913, 22975), (4595, 19565), (6433, 13975), (7525, 11947)]