408078428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 774385920

約数和(自身を除く): 366307492

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 193, 386, 647, 772, 817, 1294, 1634, 2588, 3268, 3667, 7334, 8299, 12293, 14668, 16598, 24586, 27821, 33196, 49172, 55642, 111284, 124871, 157681, 249742, 315362, 499484, 528599, 630724, 1057198, 2114396, 2372549, 4745098, 5369453, 9490196, 10738906, 21477812, 102019607, 204039214, 408078428]

約数ペア:

[(1, 408078428), (2, 204039214), (4, 102019607), (19, 21477812), (38, 10738906), (43, 9490196), (76, 5369453), (86, 4745098), (172, 2372549), (193, 2114396), (386, 1057198), (647, 630724), (772, 528599), (817, 499484), (1294, 315362), (1634, 249742), (2588, 157681), (3268, 124871), (3667, 111284), (7334, 55642), (8299, 49172), (12293, 33196), (14668, 27821), (16598, 24586)]