1278464

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:256

約数の個数: 40

約数和(自身を含む): 2798928

約数和(自身を除く): 1520464

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 227, 256, 352, 454, 512, 704, 908, 1408, 1816, 2497, 2816, 3632, 4994, 5632, 7264, 9988, 14528, 19976, 29056, 39952, 58112, 79904, 116224, 159808, 319616, 639232, 1278464]

約数ペア:

[(1, 1278464), (2, 639232), (4, 319616), (8, 159808), (11, 116224), (16, 79904), (22, 58112), (32, 39952), (44, 29056), (64, 19976), (88, 14528), (128, 9988), (176, 7264), (227, 5632), (256, 4994), (352, 3632), (454, 2816), (512, 2497), (704, 1816), (908, 1408)]