81144908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{29443}}^1$

素因数の和:29513

約数の個数: 24

約数和(自身を含む): 155817648

約数和(自身を除く): 74672740

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 29443, 58886, 117772, 382759, 765518, 1531036, 1560479, 3120958, 6241916, 20286227, 40572454, 81144908]

約数ペア:

[(1, 81144908), (2, 40572454), (4, 20286227), (13, 6241916), (26, 3120958), (52, 1560479), (53, 1531036), (106, 765518), (212, 382759), (689, 117772), (1378, 58886), (2756, 29443)]