688757312

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{1997}}^1$

素因数の和:2343

約数の個数: 56

約数和(自身を含む): 1452442104

約数和(自身を除く): 763684792

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 317, 544, 634, 1088, 1268, 1997, 2536, 3994, 5072, 5389, 7988, 10144, 10778, 15976, 20288, 21556, 31952, 33949, 43112, 63904, 67898, 86224, 127808, 135796, 172448, 271592, 344896, 543184, 633049, 1086368, 1266098, 2172736, 2532196, 5064392, 10128784, 10761833, 20257568, 21523666, 40515136, 43047332, 86094664, 172189328, 344378656, 688757312]

約数ペア:

[(1, 688757312), (2, 344378656), (4, 172189328), (8, 86094664), (16, 43047332), (17, 40515136), (32, 21523666), (34, 20257568), (64, 10761833), (68, 10128784), (136, 5064392), (272, 2532196), (317, 2172736), (544, 1266098), (634, 1086368), (1088, 633049), (1268, 543184), (1997, 344896), (2536, 271592), (3994, 172448), (5072, 135796), (5389, 127808), (7988, 86224), (10144, 67898), (10778, 63904), (15976, 43112), (20288, 33949), (21556, 31952)]