1617991925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{8821}}^1$

素因数の和:8894

約数の個数: 48

約数和(自身を含む): 2362884480

約数和(自身を除く): 744892555

約数列:

[1, 5, 11, 23, 25, 29, 55, 115, 145, 253, 275, 319, 575, 667, 725, 1265, 1595, 3335, 6325, 7337, 7975, 8821, 16675, 36685, 44105, 97031, 183425, 202883, 220525, 255809, 485155, 1014415, 1279045, 2231713, 2425775, 2813899, 5072075, 5883607, 6395225, 11158565, 14069495, 29418035, 55792825, 64719677, 70347475, 147090175, 323598385, 1617991925]

約数ペア:

[(1, 1617991925), (5, 323598385), (11, 147090175), (23, 70347475), (25, 64719677), (29, 55792825), (55, 29418035), (115, 14069495), (145, 11158565), (253, 6395225), (275, 5883607), (319, 5072075), (575, 2813899), (667, 2425775), (725, 2231713), (1265, 1279045), (1595, 1014415), (3335, 485155), (6325, 255809), (7337, 220525), (7975, 202883), (8821, 183425), (16675, 97031), (36685, 44105)]