72638072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{6781}}^1$

素因数の和:6903

約数の個数: 32

約数和(自身を含む): 148118880

約数和(自身を除く): 75480808

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 5356, 6781, 10712, 13562, 27124, 54248, 88153, 176306, 352612, 698443, 705224, 1396886, 2793772, 5587544, 9079759, 18159518, 36319036, 72638072]

約数ペア:

[(1, 72638072), (2, 36319036), (4, 18159518), (8, 9079759), (13, 5587544), (26, 2793772), (52, 1396886), (103, 705224), (104, 698443), (206, 352612), (412, 176306), (824, 88153), (1339, 54248), (2678, 27124), (5356, 13562), (6781, 10712)]