220657768

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^2$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 444422880

約数和(自身を除く): 223765112

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 167, 172, 184, 334, 344, 668, 989, 1336, 1978, 3841, 3956, 7181, 7682, 7912, 14362, 15364, 27889, 28724, 30728, 55778, 57448, 111556, 165163, 223112, 330326, 641447, 660652, 1199227, 1282894, 1321304, 2398454, 2565788, 4796908, 5131576, 9593816, 27582221, 55164442, 110328884, 220657768]

約数ペア:

[(1, 220657768), (2, 110328884), (4, 55164442), (8, 27582221), (23, 9593816), (43, 5131576), (46, 4796908), (86, 2565788), (92, 2398454), (167, 1321304), (172, 1282894), (184, 1199227), (334, 660652), (344, 641447), (668, 330326), (989, 223112), (1336, 165163), (1978, 111556), (3841, 57448), (3956, 55778), (7181, 30728), (7682, 28724), (7912, 27889), (14362, 15364)]