42718487

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 49766400

約数和(自身を除く): 7047913

約数列:

[1, 7, 89, 191, 359, 623, 1337, 2513, 16999, 31951, 68569, 118993, 223657, 479983, 6102641, 42718487]

約数ペア:

[(1, 42718487), (7, 6102641), (89, 479983), (191, 223657), (359, 118993), (623, 68569), (1337, 31951), (2513, 16999)]