778899810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1997179}}^1$

素因数の和:1997202

約数の個数: 32

約数和(自身を含む): 2013157440

約数和(自身を除く): 1234257630

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1997179, 3994358, 5991537, 9985895, 11983074, 19971790, 25963327, 29957685, 51926654, 59915370, 77889981, 129816635, 155779962, 259633270, 389449905, 778899810]

約数ペア:

[(1, 778899810), (2, 389449905), (3, 259633270), (5, 155779962), (6, 129816635), (10, 77889981), (13, 59915370), (15, 51926654), (26, 29957685), (30, 25963327), (39, 19971790), (65, 11983074), (78, 9985895), (130, 5991537), (195, 3994358), (390, 1997179)]