641538

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1266

約数の個数: 24

約数和(自身を含む): 1439100

約数和(自身を除く): 797562

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 1229, 2458, 3687, 7374, 11061, 22122, 35641, 71282, 106923, 213846, 320769, 641538]

約数ペア:

[(1, 641538), (2, 320769), (3, 213846), (6, 106923), (9, 71282), (18, 35641), (29, 22122), (58, 11061), (87, 7374), (174, 3687), (261, 2458), (522, 1229)]