81662704

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{61493}}^1$

素因数の和:61584

約数の個数: 20

約数和(自身を含む): 160130376

約数和(自身を除く): 78467672

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 61493, 122986, 245972, 491944, 983888, 5103919, 10207838, 20415676, 40831352, 81662704]

約数ペア:

[(1, 81662704), (2, 40831352), (4, 20415676), (8, 10207838), (16, 5103919), (83, 983888), (166, 491944), (332, 245972), (664, 122986), (1328, 61493)]