216788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 446880

約数和(自身を除く): 230092

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 379, 572, 758, 1516, 4169, 4927, 8338, 9854, 16676, 19708, 54197, 108394, 216788]

約数ペア:

[(1, 216788), (2, 108394), (4, 54197), (11, 19708), (13, 16676), (22, 9854), (26, 8338), (44, 4927), (52, 4169), (143, 1516), (286, 758), (379, 572)]