71782910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1721}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 133654752

約数和(自身を除く): 61871842

約数列:

[1, 2, 5, 10, 43, 86, 97, 194, 215, 430, 485, 970, 1721, 3442, 4171, 8342, 8605, 17210, 20855, 41710, 74003, 148006, 166937, 333874, 370015, 740030, 834685, 1669370, 7178291, 14356582, 35891455, 71782910]

約数ペア:

[(1, 71782910), (2, 35891455), (5, 14356582), (10, 7178291), (43, 1669370), (86, 834685), (97, 740030), (194, 370015), (215, 333874), (430, 166937), (485, 148006), (970, 74003), (1721, 41710), (3442, 20855), (4171, 17210), (8342, 8605)]