78912890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59333}}^1$

素因数の和:59366

約数の個数: 32

約数和(自身を含む): 170881920

約数和(自身を除く): 91969030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 59333, 118666, 296665, 415331, 593330, 830662, 1127327, 2076655, 2254654, 4153310, 5636635, 7891289, 11273270, 15782578, 39456445, 78912890]

約数ペア:

[(1, 78912890), (2, 39456445), (5, 15782578), (7, 11273270), (10, 7891289), (14, 5636635), (19, 4153310), (35, 2254654), (38, 2076655), (70, 1127327), (95, 830662), (133, 593330), (190, 415331), (266, 296665), (665, 118666), (1330, 59333)]