68304990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{175141}}^1$

素因数の和:175164

約数の個数: 32

約数和(自身を含む): 176543136

約数和(自身を除く): 108238146

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 175141, 350282, 525423, 875705, 1050846, 1751410, 2276833, 2627115, 4553666, 5254230, 6830499, 11384165, 13660998, 22768330, 34152495, 68304990]

約数ペア:

[(1, 68304990), (2, 34152495), (3, 22768330), (5, 13660998), (6, 11384165), (10, 6830499), (13, 5254230), (15, 4553666), (26, 2627115), (30, 2276833), (39, 1751410), (65, 1050846), (78, 875705), (130, 525423), (195, 350282), (390, 175141)]