978173898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{12540691}}^1$

素因数の和:12540709

約数の個数: 16

約数和(自身を含む): 2106836256

約数和(自身を除く): 1128662358

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 12540691, 25081382, 37622073, 75244146, 163028983, 326057966, 489086949, 978173898]

約数ペア:

[(1, 978173898), (2, 489086949), (3, 326057966), (6, 163028983), (13, 75244146), (26, 37622073), (39, 25081382), (78, 12540691)]