81098857

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 102304512

約数和(自身を除く): 21205655

約数列:

[1, 7, 17, 37, 113, 119, 163, 259, 629, 791, 1141, 1921, 2771, 4181, 4403, 6031, 13447, 18419, 19397, 29267, 42217, 71077, 102527, 128933, 313123, 497539, 681503, 717689, 2191861, 4770521, 11585551, 81098857]

約数ペア:

[(1, 81098857), (7, 11585551), (17, 4770521), (37, 2191861), (113, 717689), (119, 681503), (163, 497539), (259, 313123), (629, 128933), (791, 102527), (1141, 71077), (1921, 42217), (2771, 29267), (4181, 19397), (4403, 18419), (6031, 13447)]