81426696

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260983}}^1$

素因数の和:261005

約数の個数: 32

約数和(自身を含む): 219226560

約数和(自身を除く): 137799864

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260983, 521966, 782949, 1043932, 1565898, 2087864, 3131796, 3392779, 6263592, 6785558, 10178337, 13571116, 20356674, 27142232, 40713348, 81426696]

約数ペア:

[(1, 81426696), (2, 40713348), (3, 27142232), (4, 20356674), (6, 13571116), (8, 10178337), (12, 6785558), (13, 6263592), (24, 3392779), (26, 3131796), (39, 2087864), (52, 1565898), (78, 1043932), (104, 782949), (156, 521966), (312, 260983)]