664558130

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{397939}}^1$

素因数の和:398113

約数の個数: 16

約数和(自身を含む): 1203370560

約数和(自身を除く): 538812430

約数列:

[1, 2, 5, 10, 167, 334, 835, 1670, 397939, 795878, 1989695, 3979390, 66455813, 132911626, 332279065, 664558130]

約数ペア:

[(1, 664558130), (2, 332279065), (5, 132911626), (10, 66455813), (167, 3979390), (334, 1989695), (835, 795878), (1670, 397939)]