123456456

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{74551}}^1$

素因数の和:74586

約数の個数: 48

約数和(自身を含む): 348903360

約数和(自身を除く): 225446904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 74551, 149102, 223653, 298204, 447306, 596408, 670959, 894612, 1341918, 1714673, 1789224, 2683836, 3429346, 5144019, 5367672, 6858692, 10288038, 13717384, 15432057, 20576076, 30864114, 41152152, 61728228, 123456456]

約数ペア:

[(1, 123456456), (2, 61728228), (3, 41152152), (4, 30864114), (6, 20576076), (8, 15432057), (9, 13717384), (12, 10288038), (18, 6858692), (23, 5367672), (24, 5144019), (36, 3429346), (46, 2683836), (69, 1789224), (72, 1714673), (92, 1341918), (138, 894612), (184, 670959), (207, 596408), (276, 447306), (414, 298204), (552, 223653), (828, 149102), (1656, 74551)]