28774568

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{359}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 55598400

約数和(自身を除く): 26823832

約数列:

[1, 2, 4, 8, 43, 86, 172, 233, 344, 359, 466, 718, 932, 1436, 1864, 2872, 10019, 15437, 20038, 30874, 40076, 61748, 80152, 83647, 123496, 167294, 334588, 669176, 3596821, 7193642, 14387284, 28774568]

約数ペア:

[(1, 28774568), (2, 14387284), (4, 7193642), (8, 3596821), (43, 669176), (86, 334588), (172, 167294), (233, 123496), (344, 83647), (359, 80152), (466, 61748), (718, 40076), (932, 30874), (1436, 20038), (1864, 15437), (2872, 10019)]