641231104

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{35279}}^1$

素因数の和:35366

約数の個数: 36

約数和(自身を含む): 1298021760

約数和(自身を除く): 656790656

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 568, 1136, 2272, 4544, 9088, 18176, 35279, 70558, 141116, 282232, 564464, 1128928, 2257856, 2504809, 4515712, 5009618, 9031424, 10019236, 20038472, 40076944, 80153888, 160307776, 320615552, 641231104]

約数ペア:

[(1, 641231104), (2, 320615552), (4, 160307776), (8, 80153888), (16, 40076944), (32, 20038472), (64, 10019236), (71, 9031424), (128, 5009618), (142, 4515712), (256, 2504809), (284, 2257856), (568, 1128928), (1136, 564464), (2272, 282232), (4544, 141116), (9088, 70558), (18176, 35279)]