1291286315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{1747}}^1$

素因数の和:2003

約数の個数: 32

約数和(自身を含む): 1721710080

約数和(自身を除く): 430423765

約数列:

[1, 5, 11, 55, 89, 151, 445, 755, 979, 1661, 1747, 4895, 8305, 8735, 13439, 19217, 67195, 96085, 147829, 155483, 263797, 739145, 777415, 1318985, 1710313, 2901767, 8551565, 14508835, 23477933, 117389665, 258257263, 1291286315]

約数ペア:

[(1, 1291286315), (5, 258257263), (11, 117389665), (55, 23477933), (89, 14508835), (151, 8551565), (445, 2901767), (755, 1710313), (979, 1318985), (1661, 777415), (1747, 739145), (4895, 263797), (8305, 155483), (8735, 147829), (13439, 96085), (19217, 67195)]