219045788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{43427}}^1$

素因数の和:43541

約数の個数: 24

約数和(自身を含む): 417082512

約数和(自身を除く): 198036724

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 43427, 86854, 173708, 564551, 1129102, 2258204, 4212419, 8424838, 16849676, 54761447, 109522894, 219045788]

約数ペア:

[(1, 219045788), (2, 109522894), (4, 54761447), (13, 16849676), (26, 8424838), (52, 4212419), (97, 2258204), (194, 1129102), (388, 564551), (1261, 173708), (2522, 86854), (5044, 43427)]