28081924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 57090880

約数和(自身を除く): 29008956

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 661, 817, 988, 1118, 1322, 1634, 2236, 2644, 3268, 8593, 10621, 12559, 17186, 21242, 25118, 28423, 34372, 42484, 50236, 56846, 113692, 163267, 326534, 369499, 540037, 653068, 738998, 1080074, 1477996, 2160148, 7020481, 14040962, 28081924]

約数ペア:

[(1, 28081924), (2, 14040962), (4, 7020481), (13, 2160148), (19, 1477996), (26, 1080074), (38, 738998), (43, 653068), (52, 540037), (76, 369499), (86, 326534), (172, 163267), (247, 113692), (494, 56846), (559, 50236), (661, 42484), (817, 34372), (988, 28423), (1118, 25118), (1322, 21242), (1634, 17186), (2236, 12559), (2644, 10621), (3268, 8593)]