660016

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 40

約数和(自身を含む): 1499904

約数和(自身を除く): 839888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 83, 112, 142, 166, 284, 332, 497, 568, 581, 664, 994, 1136, 1162, 1328, 1988, 2324, 3976, 4648, 5893, 7952, 9296, 11786, 23572, 41251, 47144, 82502, 94288, 165004, 330008, 660016]

約数ペア:

[(1, 660016), (2, 330008), (4, 165004), (7, 94288), (8, 82502), (14, 47144), (16, 41251), (28, 23572), (56, 11786), (71, 9296), (83, 7952), (112, 5893), (142, 4648), (166, 3976), (284, 2324), (332, 1988), (497, 1328), (568, 1162), (581, 1136), (664, 994)]