509233487

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 632282112

約数和(自身を除く): 123048625

約数列:

[1, 7, 17, 53, 119, 263, 307, 371, 901, 1841, 2149, 4471, 5219, 6307, 13939, 16271, 31297, 36533, 80741, 97573, 113897, 236963, 276607, 565187, 1372597, 1658741, 1936249, 4279273, 9608179, 29954911, 72747641, 509233487]

約数ペア:

[(1, 509233487), (7, 72747641), (17, 29954911), (53, 9608179), (119, 4279273), (263, 1936249), (307, 1658741), (371, 1372597), (901, 565187), (1841, 276607), (2149, 236963), (4471, 113897), (5219, 97573), (6307, 80741), (13939, 36533), (16271, 31297)]