12801938

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 20995200

約数和(自身を除く): 8193262

約数列:

[1, 2, 23, 46, 53, 59, 89, 106, 118, 178, 1219, 1357, 2047, 2438, 2714, 3127, 4094, 4717, 5251, 6254, 9434, 10502, 71921, 108491, 120773, 143842, 216982, 241546, 278303, 556606, 6400969, 12801938]

約数ペア:

[(1, 12801938), (2, 6400969), (23, 556606), (46, 278303), (53, 241546), (59, 216982), (89, 143842), (106, 120773), (118, 108491), (178, 71921), (1219, 10502), (1357, 9434), (2047, 6254), (2438, 5251), (2714, 4717), (3127, 4094)]