221750284

素因数分解:

$2^2\times 7^2\times {\mathrm{1131379}}^1$

素因数の和:1131397

約数の個数: 18

約数和(自身を含む): 451420620

約数和(自身を除く): 229670336

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1131379, 2262758, 4525516, 7919653, 15839306, 31678612, 55437571, 110875142, 221750284]

約数ペア:

[(1, 221750284), (2, 110875142), (4, 55437571), (7, 31678612), (14, 15839306), (28, 7919653), (49, 4525516), (98, 2262758), (196, 1131379)]