28440984

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8287}}^1$

素因数の和:8320

約数の個数: 64

約数和(自身を含む): 83543040

約数和(自身を除く): 55102056

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 8287, 16574, 24861, 33148, 49722, 66296, 91157, 99444, 107731, 182314, 198888, 215462, 273471, 323193, 364628, 430924, 546942, 646386, 729256, 861848, 1093884, 1185041, 1292772, 2187768, 2370082, 2585544, 3555123, 4740164, 7110246, 9480328, 14220492, 28440984]

約数ペア:

[(1, 28440984), (2, 14220492), (3, 9480328), (4, 7110246), (6, 4740164), (8, 3555123), (11, 2585544), (12, 2370082), (13, 2187768), (22, 1292772), (24, 1185041), (26, 1093884), (33, 861848), (39, 729256), (44, 646386), (52, 546942), (66, 430924), (78, 364628), (88, 323193), (104, 273471), (132, 215462), (143, 198888), (156, 182314), (264, 107731), (286, 99444), (312, 91157), (429, 66296), (572, 49722), (858, 33148), (1144, 24861), (1716, 16574), (3432, 8287)]