81924275

素因数分解:

$5^2\times {\mathrm{17}}^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 116510400

約数和(自身を除く): 34586125

約数列:

[1, 5, 17, 23, 25, 29, 85, 115, 145, 289, 391, 425, 493, 575, 667, 725, 1445, 1955, 2465, 3335, 4913, 6647, 7225, 8381, 9775, 11339, 12325, 16675, 24565, 33235, 41905, 56695, 112999, 122825, 142477, 166175, 192763, 209525, 283475, 564995, 712385, 963815, 2824975, 3276971, 3561925, 4819075, 16384855, 81924275]

約数ペア:

[(1, 81924275), (5, 16384855), (17, 4819075), (23, 3561925), (25, 3276971), (29, 2824975), (85, 963815), (115, 712385), (145, 564995), (289, 283475), (391, 209525), (425, 192763), (493, 166175), (575, 142477), (667, 122825), (725, 112999), (1445, 56695), (1955, 41905), (2465, 33235), (3335, 24565), (4913, 16675), (6647, 12325), (7225, 11339), (8381, 9775)]