219902408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{9221}}^1$

素因数の和:9509

約数の個数: 32

約数和(自身を含む): 451509120

約数和(自身を除く): 231606712

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 271, 542, 1084, 2168, 2981, 5962, 9221, 11924, 18442, 23848, 36884, 73768, 101431, 202862, 405724, 811448, 2498891, 4997782, 9995564, 19991128, 27487801, 54975602, 109951204, 219902408]

約数ペア:

[(1, 219902408), (2, 109951204), (4, 54975602), (8, 27487801), (11, 19991128), (22, 9995564), (44, 4997782), (88, 2498891), (271, 811448), (542, 405724), (1084, 202862), (2168, 101431), (2981, 73768), (5962, 36884), (9221, 23848), (11924, 18442)]