81988510

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{1051}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 153381600

約数和(自身を除く): 71393090

約数列:

[1, 2, 5, 10, 29, 58, 145, 269, 290, 538, 1051, 1345, 2102, 2690, 5255, 7801, 10510, 15602, 30479, 39005, 60958, 78010, 152395, 282719, 304790, 565438, 1413595, 2827190, 8198851, 16397702, 40994255, 81988510]

約数ペア:

[(1, 81988510), (2, 40994255), (5, 16397702), (10, 8198851), (29, 2827190), (58, 1413595), (145, 565438), (269, 304790), (290, 282719), (538, 152395), (1051, 78010), (1345, 60958), (2102, 39005), (2690, 30479), (5255, 15602), (7801, 10510)]