72197156

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1459}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 128772000

約数和(自身を除く): 56574844

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 556, 1459, 2918, 5836, 12371, 24742, 49484, 129851, 202801, 259702, 405602, 519404, 811204, 18049289, 36098578, 72197156]

約数ペア:

[(1, 72197156), (2, 36098578), (4, 18049289), (89, 811204), (139, 519404), (178, 405602), (278, 259702), (356, 202801), (556, 129851), (1459, 49484), (2918, 24742), (5836, 12371)]