1664754676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{405247}}^1$

素因数の和:405343

約数の個数: 24

約数和(自身を含む): 3177144320

約数和(自身を除く): 1512389644

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 405247, 810494, 1620988, 5268211, 10536422, 21072844, 32014513, 64029026, 128058052, 416188669, 832377338, 1664754676]

約数ペア:

[(1, 1664754676), (2, 832377338), (4, 416188669), (13, 128058052), (26, 64029026), (52, 32014513), (79, 21072844), (158, 10536422), (316, 5268211), (1027, 1620988), (2054, 810494), (4108, 405247)]