64915775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 92404800

約数和(自身を除く): 27489025

約数列:

[1, 5, 17, 23, 25, 29, 85, 115, 145, 229, 391, 425, 493, 575, 667, 725, 1145, 1955, 2465, 3335, 3893, 5267, 5725, 6641, 9775, 11339, 12325, 16675, 19465, 26335, 33205, 56695, 89539, 97325, 112897, 131675, 152743, 166025, 283475, 447695, 564485, 763715, 2238475, 2596631, 2822425, 3818575, 12983155, 64915775]

約数ペア:

[(1, 64915775), (5, 12983155), (17, 3818575), (23, 2822425), (25, 2596631), (29, 2238475), (85, 763715), (115, 564485), (145, 447695), (229, 283475), (391, 166025), (425, 152743), (493, 131675), (575, 112897), (667, 97325), (725, 89539), (1145, 56695), (1955, 33205), (2465, 26335), (3335, 19465), (3893, 16675), (5267, 12325), (5725, 11339), (6641, 9775)]