28393464

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 78122880

約数和(自身を除く): 49729416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 131, 132, 262, 264, 393, 524, 786, 821, 1048, 1441, 1572, 1642, 2463, 2882, 3144, 3284, 4323, 4926, 5764, 6568, 8646, 9031, 9852, 11528, 17292, 18062, 19704, 27093, 34584, 36124, 54186, 72248, 107551, 108372, 215102, 216744, 322653, 430204, 645306, 860408, 1183061, 1290612, 2366122, 2581224, 3549183, 4732244, 7098366, 9464488, 14196732, 28393464]

約数ペア:

[(1, 28393464), (2, 14196732), (3, 9464488), (4, 7098366), (6, 4732244), (8, 3549183), (11, 2581224), (12, 2366122), (22, 1290612), (24, 1183061), (33, 860408), (44, 645306), (66, 430204), (88, 322653), (131, 216744), (132, 215102), (262, 108372), (264, 107551), (393, 72248), (524, 54186), (786, 36124), (821, 34584), (1048, 27093), (1441, 19704), (1572, 18062), (1642, 17292), (2463, 11528), (2882, 9852), (3144, 9031), (3284, 8646), (4323, 6568), (4926, 5764)]