2989195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 4354560

約数和(自身を除く): 1365365

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 139, 187, 253, 391, 695, 935, 1265, 1529, 1955, 2363, 3197, 4301, 7645, 11815, 15985, 21505, 25993, 35167, 54349, 129965, 175835, 271745, 597839, 2989195]

約数ペア:

[(1, 2989195), (5, 597839), (11, 271745), (17, 175835), (23, 129965), (55, 54349), (85, 35167), (115, 25993), (139, 21505), (187, 15985), (253, 11815), (391, 7645), (695, 4301), (935, 3197), (1265, 2363), (1529, 1955)]