278538115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{55541}}^1$

素因数の和:55622

約数の個数: 16

約数和(自身を含む): 359912160

約数和(自身を除く): 81374045

約数列:

[1, 5, 17, 59, 85, 295, 1003, 5015, 55541, 277705, 944197, 3276919, 4720985, 16384595, 55707623, 278538115]

約数ペア:

[(1, 278538115), (5, 55707623), (17, 16384595), (59, 4720985), (85, 3276919), (295, 944197), (1003, 277705), (5015, 55541)]