213436718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{19759}}^1$

素因数の和:20263

約数の個数: 16

約数和(自身を含む): 349989120

約数和(自身を除く): 136552402

約数列:

[1, 2, 11, 22, 491, 982, 5401, 10802, 19759, 39518, 217349, 434698, 9701669, 19403338, 106718359, 213436718]

約数ペア:

[(1, 213436718), (2, 106718359), (11, 19403338), (22, 9701669), (491, 434698), (982, 217349), (5401, 39518), (10802, 19759)]