71780545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 95800320

約数和(自身を除く): 24019775

約数列:

[1, 5, 17, 41, 43, 85, 205, 215, 479, 697, 731, 1763, 2395, 3485, 3655, 8143, 8815, 19639, 20597, 29971, 40715, 98195, 102985, 149855, 333863, 350149, 844477, 1669315, 1750745, 4222385, 14356109, 71780545]

約数ペア:

[(1, 71780545), (5, 14356109), (17, 4222385), (41, 1750745), (43, 1669315), (85, 844477), (205, 350149), (215, 333863), (479, 149855), (697, 102985), (731, 98195), (1763, 40715), (2395, 29971), (3485, 20597), (3655, 19639), (8143, 8815)]