72167875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 98280000

約数和(自身を除く): 26112125

約数列:

[1, 5, 13, 25, 65, 89, 125, 325, 445, 499, 1157, 1625, 2225, 2495, 5785, 6487, 11125, 12475, 28925, 32435, 44411, 62375, 144625, 162175, 222055, 577343, 810875, 1110275, 2886715, 5551375, 14433575, 72167875]

約数ペア:

[(1, 72167875), (5, 14433575), (13, 5551375), (25, 2886715), (65, 1110275), (89, 810875), (125, 577343), (325, 222055), (445, 162175), (499, 144625), (1157, 62375), (1625, 44411), (2225, 32435), (2495, 28925), (5785, 12475), (6487, 11125)]