399319552

素因数分解:

$2^9\times {\mathrm{59}}^1\times {\mathrm{13219}}^1$

素因数の和:13296

約数の個数: 40

約数和(自身を含む): 811443600

約数和(自身を除く): 412124048

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 512, 944, 1888, 3776, 7552, 13219, 15104, 26438, 30208, 52876, 105752, 211504, 423008, 779921, 846016, 1559842, 1692032, 3119684, 3384064, 6239368, 6768128, 12478736, 24957472, 49914944, 99829888, 199659776, 399319552]

約数ペア:

[(1, 399319552), (2, 199659776), (4, 99829888), (8, 49914944), (16, 24957472), (32, 12478736), (59, 6768128), (64, 6239368), (118, 3384064), (128, 3119684), (236, 1692032), (256, 1559842), (472, 846016), (512, 779921), (944, 423008), (1888, 211504), (3776, 105752), (7552, 52876), (13219, 30208), (15104, 26438)]