291204290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{3923}}^1$

素因数の和:4514

約数の個数: 32

約数和(自身を含む): 565621056

約数和(自身を除く): 274416766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 571, 1142, 2855, 3923, 5710, 7423, 7846, 14846, 19615, 37115, 39230, 50999, 74230, 101998, 254995, 509990, 2240033, 4480066, 11200165, 22400330, 29120429, 58240858, 145602145, 291204290]

約数ペア:

[(1, 291204290), (2, 145602145), (5, 58240858), (10, 29120429), (13, 22400330), (26, 11200165), (65, 4480066), (130, 2240033), (571, 509990), (1142, 254995), (2855, 101998), (3923, 74230), (5710, 50999), (7423, 39230), (7846, 37115), (14846, 19615)]