66408176

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{997}}^1$

素因数の和:1209

約数の個数: 40

約数和(自身を含む): 135137184

約数和(自身を除く): 68729008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 181, 184, 362, 368, 724, 997, 1448, 1994, 2896, 3988, 4163, 7976, 8326, 15952, 16652, 22931, 33304, 45862, 66608, 91724, 180457, 183448, 360914, 366896, 721828, 1443656, 2887312, 4150511, 8301022, 16602044, 33204088, 66408176]

約数ペア:

[(1, 66408176), (2, 33204088), (4, 16602044), (8, 8301022), (16, 4150511), (23, 2887312), (46, 1443656), (92, 721828), (181, 366896), (184, 360914), (362, 183448), (368, 180457), (724, 91724), (997, 66608), (1448, 45862), (1994, 33304), (2896, 22931), (3988, 16652), (4163, 15952), (7976, 8326)]