1285384

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 2557440

約数和(自身を除く): 1272056

約数列:

[1, 2, 4, 8, 31, 62, 71, 73, 124, 142, 146, 248, 284, 292, 568, 584, 2201, 2263, 4402, 4526, 5183, 8804, 9052, 10366, 17608, 18104, 20732, 41464, 160673, 321346, 642692, 1285384]

約数ペア:

[(1, 1285384), (2, 642692), (4, 321346), (8, 160673), (31, 41464), (62, 20732), (71, 18104), (73, 17608), (124, 10366), (142, 9052), (146, 8804), (248, 5183), (284, 4526), (292, 4402), (568, 2263), (584, 2201)]