397493456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{941}}^1\times {\mathrm{1553}}^1$

素因数の和:2519

約数の個数: 40

約数和(自身を含む): 816838344

約数和(自身を除く): 419344888

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 941, 1553, 1882, 3106, 3764, 6212, 7528, 12424, 15056, 15997, 24848, 26401, 31994, 52802, 63988, 105604, 127976, 211208, 255952, 422416, 1461373, 2922746, 5845492, 11690984, 23381968, 24843341, 49686682, 99373364, 198746728, 397493456]

約数ペア:

[(1, 397493456), (2, 198746728), (4, 99373364), (8, 49686682), (16, 24843341), (17, 23381968), (34, 11690984), (68, 5845492), (136, 2922746), (272, 1461373), (941, 422416), (1553, 255952), (1882, 211208), (3106, 127976), (3764, 105604), (6212, 63988), (7528, 52802), (12424, 31994), (15056, 26401), (15997, 24848)]