81288448

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{10243}}^1$

素因数の和:10290

約数の個数: 36

約数和(自身を含む): 167509888

約数和(自身を除く): 86221440

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 10243, 20486, 40972, 81944, 163888, 317533, 327776, 635066, 655552, 1270132, 1311104, 2540264, 2622208, 5080528, 10161056, 20322112, 40644224, 81288448]

約数ペア:

[(1, 81288448), (2, 40644224), (4, 20322112), (8, 10161056), (16, 5080528), (31, 2622208), (32, 2540264), (62, 1311104), (64, 1270132), (124, 655552), (128, 635066), (248, 327776), (256, 317533), (496, 163888), (992, 81944), (1984, 40972), (3968, 20486), (7936, 10243)]