1066390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{631}}^1$

素因数の和:664

約数の個数: 24

約数和(自身を含む): 2081808

約数和(自身を除く): 1015418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 631, 845, 1262, 1690, 3155, 6310, 8203, 16406, 41015, 82030, 106639, 213278, 533195, 1066390]

約数ペア:

[(1, 1066390), (2, 533195), (5, 213278), (10, 106639), (13, 82030), (26, 41015), (65, 16406), (130, 8203), (169, 6310), (338, 3155), (631, 1690), (845, 1262)]