278324254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{21031}}^1$

素因数の和:21555

約数の個数: 16

約数和(自身を含む): 450505440

約数和(自身を除く): 172181186

約数列:

[1, 2, 13, 26, 509, 1018, 6617, 13234, 21031, 42062, 273403, 546806, 10704779, 21409558, 139162127, 278324254]

約数ペア:

[(1, 278324254), (2, 139162127), (13, 21409558), (26, 10704779), (509, 546806), (1018, 273403), (6617, 42062), (13234, 21031)]