28789446

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:913

約数の個数: 64

約数和(自身を含む): 70963200

約数和(自身を除く): 42173754

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 86, 114, 129, 133, 258, 266, 301, 399, 602, 798, 817, 839, 903, 1634, 1678, 1806, 2451, 2517, 4902, 5034, 5719, 5873, 11438, 11746, 15941, 17157, 17619, 31882, 34314, 35238, 36077, 47823, 72154, 95646, 108231, 111587, 216462, 223174, 252539, 334761, 505078, 669522, 685463, 757617, 1370926, 1515234, 2056389, 4112778, 4798241, 9596482, 14394723, 28789446]

約数ペア:

[(1, 28789446), (2, 14394723), (3, 9596482), (6, 4798241), (7, 4112778), (14, 2056389), (19, 1515234), (21, 1370926), (38, 757617), (42, 685463), (43, 669522), (57, 505078), (86, 334761), (114, 252539), (129, 223174), (133, 216462), (258, 111587), (266, 108231), (301, 95646), (399, 72154), (602, 47823), (798, 36077), (817, 35238), (839, 34314), (903, 31882), (1634, 17619), (1678, 17157), (1806, 15941), (2451, 11746), (2517, 11438), (4902, 5873), (5034, 5719)]