16947665

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 24952320

約数和(自身を除く): 8004655

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 569, 805, 851, 1295, 2845, 3983, 4255, 5957, 13087, 19915, 21053, 29785, 65435, 91609, 105265, 147371, 458045, 484219, 736855, 2421095, 3389533, 16947665]

約数ペア:

[(1, 16947665), (5, 3389533), (7, 2421095), (23, 736855), (35, 484219), (37, 458045), (115, 147371), (161, 105265), (185, 91609), (259, 65435), (569, 29785), (805, 21053), (851, 19915), (1295, 13087), (2845, 5957), (3983, 4255)]