1646731970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{65633}}^1$

素因数の和:65846

約数の個数: 32

約数和(自身を含む): 3208714992

約数和(自身を除く): 1561983022

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 965, 1930, 2509, 5018, 12545, 25090, 65633, 131266, 328165, 656330, 853229, 1706458, 4266145, 8532290, 12667169, 25334338, 63335845, 126671690, 164673197, 329346394, 823365985, 1646731970]

約数ペア:

[(1, 1646731970), (2, 823365985), (5, 329346394), (10, 164673197), (13, 126671690), (26, 63335845), (65, 25334338), (130, 12667169), (193, 8532290), (386, 4266145), (965, 1706458), (1930, 853229), (2509, 656330), (5018, 328165), (12545, 131266), (25090, 65633)]