28811016

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{30781}}^1$

素因数の和:30806

約数の個数: 48

約数和(自身を含む): 84034860

約数和(自身を除く): 55223844

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 30781, 61562, 92343, 123124, 184686, 246248, 277029, 369372, 400153, 554058, 738744, 800306, 1108116, 1200459, 1600612, 2216232, 2400918, 3201224, 3601377, 4801836, 7202754, 9603672, 14405508, 28811016]

約数ペア:

[(1, 28811016), (2, 14405508), (3, 9603672), (4, 7202754), (6, 4801836), (8, 3601377), (9, 3201224), (12, 2400918), (13, 2216232), (18, 1600612), (24, 1200459), (26, 1108116), (36, 800306), (39, 738744), (52, 554058), (72, 400153), (78, 369372), (104, 277029), (117, 246248), (156, 184686), (234, 123124), (312, 92343), (468, 61562), (936, 30781)]