72115312

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{17957}}^1$

素因数の和:18216

約数の個数: 20

約数和(自身を含む): 140287896

約数和(自身を除く): 68172584

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 17957, 35914, 71828, 143656, 287312, 4507207, 9014414, 18028828, 36057656, 72115312]

約数ペア:

[(1, 72115312), (2, 36057656), (4, 18028828), (8, 9014414), (16, 4507207), (251, 287312), (502, 143656), (1004, 71828), (2008, 35914), (4016, 17957)]