217236

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 519904

約数和(自身を除く): 302668

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 421, 516, 842, 1263, 1684, 2526, 5052, 18103, 36206, 54309, 72412, 108618, 217236]

約数ペア:

[(1, 217236), (2, 108618), (3, 72412), (4, 54309), (6, 36206), (12, 18103), (43, 5052), (86, 2526), (129, 1684), (172, 1263), (258, 842), (421, 516)]