1234561678

素因数分解:

$2^1\times 7^1\times {\mathrm{1931}}^1\times {\mathrm{45667}}^1$

素因数の和:47607

約数の個数: 16

約数和(自身を含む): 2117533824

約数和(自身を除く): 882972146

約数列:

[1, 2, 7, 14, 1931, 3862, 13517, 27034, 45667, 91334, 319669, 639338, 88182977, 176365954, 617280839, 1234561678]

約数ペア:

[(1, 1234561678), (2, 617280839), (7, 176365954), (14, 88182977), (1931, 639338), (3862, 319669), (13517, 91334), (27034, 45667)]