68457776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1061

約数の個数: 40

約数和(自身を含む): 141017760

約数和(自身を除く): 72559984

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 389, 647, 778, 1294, 1556, 2588, 3112, 5176, 6224, 6613, 10352, 10999, 13226, 21998, 26452, 43996, 52904, 87992, 105808, 175984, 251683, 503366, 1006732, 2013464, 4026928, 4278611, 8557222, 17114444, 34228888, 68457776]

約数ペア:

[(1, 68457776), (2, 34228888), (4, 17114444), (8, 8557222), (16, 4278611), (17, 4026928), (34, 2013464), (68, 1006732), (136, 503366), (272, 251683), (389, 175984), (647, 105808), (778, 87992), (1294, 52904), (1556, 43996), (2588, 26452), (3112, 21998), (5176, 13226), (6224, 10999), (6613, 10352)]