289507990

素因数分解:

$2^1\times 5^1\times {\mathrm{4159}}^1\times {\mathrm{6961}}^1$

素因数の和:11127

約数の個数: 16

約数和(自身を含む): 521314560

約数和(自身を除く): 231806570

約数列:

[1, 2, 5, 10, 4159, 6961, 8318, 13922, 20795, 34805, 41590, 69610, 28950799, 57901598, 144753995, 289507990]

約数ペア:

[(1, 289507990), (2, 144753995), (5, 57901598), (10, 28950799), (4159, 69610), (6961, 41590), (8318, 34805), (13922, 20795)]