217778892

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{490493}}^1$

素因数の和:490537

約数の個数: 24

約数和(自身を含む): 521885616

約数和(自身を除く): 304106724

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 490493, 980986, 1471479, 1961972, 2942958, 5885916, 18148241, 36296482, 54444723, 72592964, 108889446, 217778892]

約数ペア:

[(1, 217778892), (2, 108889446), (3, 72592964), (4, 54444723), (6, 36296482), (12, 18148241), (37, 5885916), (74, 2942958), (111, 1961972), (148, 1471479), (222, 980986), (444, 490493)]