491094890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{343423}}^1$

素因数の和:343454

約数の個数: 32

約数和(自身を含む): 1038514176

約数和(自身を除く): 547419286

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 343423, 686846, 1717115, 3434230, 3777653, 4464499, 7555306, 8928998, 18888265, 22322495, 37776530, 44644990, 49109489, 98218978, 245547445, 491094890]

約数ペア:

[(1, 491094890), (2, 245547445), (5, 98218978), (10, 49109489), (11, 44644990), (13, 37776530), (22, 22322495), (26, 18888265), (55, 8928998), (65, 7555306), (110, 4464499), (130, 3777653), (143, 3434230), (286, 1717115), (715, 686846), (1430, 343423)]