681566984

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{136751}}^1$

素因数の和:136853

約数の個数: 32

約数和(自身を含む): 1476921600

約数和(自身を除く): 795354616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4984, 136751, 273502, 547004, 957257, 1094008, 1914514, 3829028, 7658056, 12170839, 24341678, 48683356, 85195873, 97366712, 170391746, 340783492, 681566984]

約数ペア:

[(1, 681566984), (2, 340783492), (4, 170391746), (7, 97366712), (8, 85195873), (14, 48683356), (28, 24341678), (56, 12170839), (89, 7658056), (178, 3829028), (356, 1914514), (623, 1094008), (712, 957257), (1246, 547004), (2492, 273502), (4984, 136751)]