978918479

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{552749}}^1$

素因数の和:552790

約数の個数: 16

約数和(自身を含む): 1273536000

約数和(自身を除く): 294617521

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 552749, 3869243, 6080239, 12713227, 42561673, 88992589, 139845497, 978918479]

約数ペア:

[(1, 978918479), (7, 139845497), (11, 88992589), (23, 42561673), (77, 12713227), (161, 6080239), (253, 3869243), (1771, 552749)]