68708408

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 139857480

約数和(自身を除く): 71149072

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 361, 643, 703, 722, 1286, 1406, 1444, 2572, 2812, 2888, 5144, 5624, 12217, 13357, 23791, 24434, 26714, 47582, 48868, 53428, 95164, 97736, 106856, 190328, 232123, 452029, 464246, 904058, 928492, 1808116, 1856984, 3616232, 8588551, 17177102, 34354204, 68708408]

約数ペア:

[(1, 68708408), (2, 34354204), (4, 17177102), (8, 8588551), (19, 3616232), (37, 1856984), (38, 1808116), (74, 928492), (76, 904058), (148, 464246), (152, 452029), (296, 232123), (361, 190328), (643, 106856), (703, 97736), (722, 95164), (1286, 53428), (1406, 48868), (1444, 47582), (2572, 26714), (2812, 24434), (2888, 23791), (5144, 13357), (5624, 12217)]