665990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 1330560

約数和(自身を除く): 664570

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 109, 130, 218, 235, 470, 545, 611, 1090, 1222, 1417, 2834, 3055, 5123, 6110, 7085, 10246, 14170, 25615, 51230, 66599, 133198, 332995, 665990]

約数ペア:

[(1, 665990), (2, 332995), (5, 133198), (10, 66599), (13, 51230), (26, 25615), (47, 14170), (65, 10246), (94, 7085), (109, 6110), (130, 5123), (218, 3055), (235, 2834), (470, 1417), (545, 1222), (611, 1090)]