72163984

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{8861}}^1$

素因数の和:9378

約数の個数: 20

約数和(自身を含む): 140108220

約数和(自身を除く): 67944236

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 8861, 17722, 35444, 70888, 141776, 4510249, 9020498, 18040996, 36081992, 72163984]

約数ペア:

[(1, 72163984), (2, 36081992), (4, 18040996), (8, 9020498), (16, 4510249), (509, 141776), (1018, 70888), (2036, 35444), (4072, 17722), (8144, 8861)]