641792

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 1349040

約数和(自身を除く): 707248

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 109, 128, 184, 218, 256, 368, 436, 736, 872, 1472, 1744, 2507, 2944, 3488, 5014, 5888, 6976, 10028, 13952, 20056, 27904, 40112, 80224, 160448, 320896, 641792]

約数ペア:

[(1, 641792), (2, 320896), (4, 160448), (8, 80224), (16, 40112), (23, 27904), (32, 20056), (46, 13952), (64, 10028), (92, 6976), (109, 5888), (128, 5014), (184, 3488), (218, 2944), (256, 2507), (368, 1744), (436, 1472), (736, 872)]