668829424

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{317}}^1\times {\mathrm{809}}^1$

素因数の和:1297

約数の個数: 40

約数和(自身を含む): 1309536720

約数和(自身を除く): 640707296

約数列:

[1, 2, 4, 8, 16, 163, 317, 326, 634, 652, 809, 1268, 1304, 1618, 2536, 2608, 3236, 5072, 6472, 12944, 51671, 103342, 131867, 206684, 256453, 263734, 413368, 512906, 527468, 826736, 1025812, 1054936, 2051624, 2109872, 4103248, 41801839, 83603678, 167207356, 334414712, 668829424]

約数ペア:

[(1, 668829424), (2, 334414712), (4, 167207356), (8, 83603678), (16, 41801839), (163, 4103248), (317, 2109872), (326, 2051624), (634, 1054936), (652, 1025812), (809, 826736), (1268, 527468), (1304, 512906), (1618, 413368), (2536, 263734), (2608, 256453), (3236, 206684), (5072, 131867), (6472, 103342), (12944, 51671)]