216892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 422576

約数和(自身を除く): 205684

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 97, 172, 194, 388, 559, 1118, 1261, 2236, 2522, 4171, 5044, 8342, 16684, 54223, 108446, 216892]

約数ペア:

[(1, 216892), (2, 108446), (4, 54223), (13, 16684), (26, 8342), (43, 5044), (52, 4171), (86, 2522), (97, 2236), (172, 1261), (194, 1118), (388, 559)]