978345678

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{5259923}}^1$

素因数の和:5259959

約数の個数: 16

約数和(自身を含む): 2019810816

約数和(自身を除く): 1041465138

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 5259923, 10519846, 15779769, 31559538, 163057613, 326115226, 489172839, 978345678]

約数ペア:

[(1, 978345678), (2, 489172839), (3, 326115226), (6, 163057613), (31, 31559538), (62, 15779769), (93, 10519846), (186, 5259923)]