81828868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{3257}}^1$

素因数の和:3843

約数の個数: 24

約数和(自身を含む): 156540384

約数和(自身を除く): 74711516

約数列:

[1, 2, 4, 11, 22, 44, 571, 1142, 2284, 3257, 6281, 6514, 12562, 13028, 25124, 35827, 71654, 143308, 1859747, 3719494, 7438988, 20457217, 40914434, 81828868]

約数ペア:

[(1, 81828868), (2, 40914434), (4, 20457217), (11, 7438988), (22, 3719494), (44, 1859747), (571, 143308), (1142, 71654), (2284, 35827), (3257, 25124), (6281, 13028), (6514, 12562)]