668870132

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{66541}}^1$

素因数の和:66911

約数の個数: 24

約数和(自身を含む): 1341486720

約数和(自身を除く): 672616588

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2513, 5026, 10052, 66541, 133082, 266164, 465787, 931574, 1863148, 23888219, 47776438, 95552876, 167217533, 334435066, 668870132]

約数ペア:

[(1, 668870132), (2, 334435066), (4, 167217533), (7, 95552876), (14, 47776438), (28, 23888219), (359, 1863148), (718, 931574), (1436, 465787), (2513, 266164), (5026, 133082), (10052, 66541)]