81343704

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260717}}^1$

素因数の和:260739

約数の個数: 32

約数和(自身を含む): 219003120

約数和(自身を除く): 137659416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260717, 521434, 782151, 1042868, 1564302, 2085736, 3128604, 3389321, 6257208, 6778642, 10167963, 13557284, 20335926, 27114568, 40671852, 81343704]

約数ペア:

[(1, 81343704), (2, 40671852), (3, 27114568), (4, 20335926), (6, 13557284), (8, 10167963), (12, 6778642), (13, 6257208), (24, 3389321), (26, 3128604), (39, 2085736), (52, 1564302), (78, 1042868), (104, 782151), (156, 521434), (312, 260717)]