641567152

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{6481}}^1$

素因数の和:6781

約数の個数: 40

約数和(自身を含む): 1302104160

約数和(自身を除く): 660537008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 269, 368, 538, 1076, 2152, 4304, 6187, 6481, 12374, 12962, 24748, 25924, 49496, 51848, 98992, 103696, 149063, 298126, 596252, 1192504, 1743389, 2385008, 3486778, 6973556, 13947112, 27894224, 40097947, 80195894, 160391788, 320783576, 641567152]

約数ペア:

[(1, 641567152), (2, 320783576), (4, 160391788), (8, 80195894), (16, 40097947), (23, 27894224), (46, 13947112), (92, 6973556), (184, 3486778), (269, 2385008), (368, 1743389), (538, 1192504), (1076, 596252), (2152, 298126), (4304, 149063), (6187, 103696), (6481, 98992), (12374, 51848), (12962, 49496), (24748, 25924)]