661653838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{119389}}^1$

素因数の和:119571

約数の個数: 16

約数和(自身を含む): 1057317840

約数和(自身を除く): 395664002

約数列:

[1, 2, 17, 34, 163, 326, 2771, 5542, 119389, 238778, 2029613, 4059226, 19460407, 38920814, 330826919, 661653838]

約数ペア:

[(1, 661653838), (2, 330826919), (17, 38920814), (34, 19460407), (163, 4059226), (326, 2029613), (2771, 238778), (5542, 119389)]