207615460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{798521}}^1$

素因数の和:798543

約数の個数: 24

約数和(自身を含む): 469530936

約数和(自身を除く): 261915476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 798521, 1597042, 3194084, 3992605, 7985210, 10380773, 15970420, 20761546, 41523092, 51903865, 103807730, 207615460]

約数ペア:

[(1, 207615460), (2, 103807730), (4, 51903865), (5, 41523092), (10, 20761546), (13, 15970420), (20, 10380773), (26, 7985210), (52, 3992605), (65, 3194084), (130, 1597042), (260, 798521)]