201551278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{67139}}^1$

素因数の和:67239

約数の個数: 16

約数和(自身を含む): 322272000

約数和(自身を除く): 120720722

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 67139, 134278, 1275641, 2551282, 5303981, 10607962, 100775639, 201551278]

約数ペア:

[(1, 201551278), (2, 100775639), (19, 10607962), (38, 5303981), (79, 2551282), (158, 1275641), (1501, 134278), (3002, 67139)]