218541814

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{53381}}^1$

素因数の和:53495

約数の個数: 16

約数和(自身を含む): 345915360

約数和(自身を除く): 127373546

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 53381, 106762, 1227763, 2455526, 4750909, 9501818, 109270907, 218541814]

約数ペア:

[(1, 218541814), (2, 109270907), (23, 9501818), (46, 4750909), (89, 2455526), (178, 1227763), (2047, 106762), (4094, 53381)]