205651864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{20681}}^1$

素因数の和:20811

約数の個数: 32

約数和(自身を含む): 424394640

約数和(自身を除く): 218742776

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 2486, 4972, 9944, 20681, 41362, 82724, 165448, 227491, 454982, 909964, 1819928, 2336953, 4673906, 9347812, 18695624, 25706483, 51412966, 102825932, 205651864]

約数ペア:

[(1, 205651864), (2, 102825932), (4, 51412966), (8, 25706483), (11, 18695624), (22, 9347812), (44, 4673906), (88, 2336953), (113, 1819928), (226, 909964), (452, 454982), (904, 227491), (1243, 165448), (2486, 82724), (4972, 41362), (9944, 20681)]