2777190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7121}}^1$

素因数の和:7144

約数の個数: 32

約数和(自身を含む): 7178976

約数和(自身を除く): 4401786

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 7121, 14242, 21363, 35605, 42726, 71210, 92573, 106815, 185146, 213630, 277719, 462865, 555438, 925730, 1388595, 2777190]

約数ペア:

[(1, 2777190), (2, 1388595), (3, 925730), (5, 555438), (6, 462865), (10, 277719), (13, 213630), (15, 185146), (26, 106815), (30, 92573), (39, 71210), (65, 42726), (78, 35605), (130, 21363), (195, 14242), (390, 7121)]