673020416

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{42403}}^1$

素因数の和:42452

約数の個数: 40

約数和(自身を含む): 1388137344

約数和(自身を除く): 715116928

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 42403, 84806, 169612, 339224, 678448, 1314493, 1356896, 2628986, 2713792, 5257972, 5427584, 10515944, 10855168, 21031888, 21710336, 42063776, 84127552, 168255104, 336510208, 673020416]

約数ペア:

[(1, 673020416), (2, 336510208), (4, 168255104), (8, 84127552), (16, 42063776), (31, 21710336), (32, 21031888), (62, 10855168), (64, 10515944), (124, 5427584), (128, 5257972), (248, 2713792), (256, 2628986), (496, 1356896), (512, 1314493), (992, 678448), (1984, 339224), (3968, 169612), (7936, 84806), (15872, 42403)]