42638086

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1\times {\mathrm{787}}^1$

素因数の和:1155

約数の個数: 16

約数和(自身を含む): 64905984

約数和(自身を除く): 22267898

約数列:

[1, 2, 103, 206, 263, 526, 787, 1574, 27089, 54178, 81061, 162122, 206981, 413962, 21319043, 42638086]

約数ペア:

[(1, 42638086), (2, 21319043), (103, 413962), (206, 206981), (263, 162122), (526, 81061), (787, 54178), (1574, 27089)]