217804548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1396183}}^1$

素因数の和:1396203

約数の個数: 24

約数和(自身を含む): 547304128

約数和(自身を除く): 329499580

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1396183, 2792366, 4188549, 5584732, 8377098, 16754196, 18150379, 36300758, 54451137, 72601516, 108902274, 217804548]

約数ペア:

[(1, 217804548), (2, 108902274), (3, 72601516), (4, 54451137), (6, 36300758), (12, 18150379), (13, 16754196), (26, 8377098), (39, 5584732), (52, 4188549), (78, 2792366), (156, 1396183)]