78168018

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{653}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 159345792

約数和(自身を除く): 81177774

約数列:

[1, 2, 3, 6, 71, 142, 213, 281, 426, 562, 653, 843, 1306, 1686, 1959, 3918, 19951, 39902, 46363, 59853, 92726, 119706, 139089, 183493, 278178, 366986, 550479, 1100958, 13028003, 26056006, 39084009, 78168018]

約数ペア:

[(1, 78168018), (2, 39084009), (3, 26056006), (6, 13028003), (71, 1100958), (142, 550479), (213, 366986), (281, 278178), (426, 183493), (562, 139089), (653, 119706), (843, 92726), (1306, 59853), (1686, 46363), (1959, 39902), (3918, 19951)]