129585584

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{197539}}^1$

素因数の和:197588

約数の個数: 20

約数和(自身を含む): 257197080

約数和(自身を除く): 127611496

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 197539, 395078, 790156, 1580312, 3160624, 8099099, 16198198, 32396396, 64792792, 129585584]

約数ペア:

[(1, 129585584), (2, 64792792), (4, 32396396), (8, 16198198), (16, 8099099), (41, 3160624), (82, 1580312), (164, 790156), (328, 395078), (656, 197539)]