1220555218

素因数分解:

$2^1\times {\mathrm{331}}^1\times {\mathrm{373}}^1\times {\mathrm{4943}}^1$

素因数の和:5649

約数の個数: 16

約数和(自身を含む): 1841659776

約数和(自身を除く): 621104558

約数列:

[1, 2, 331, 373, 662, 746, 4943, 9886, 123463, 246926, 1636133, 1843739, 3272266, 3687478, 610277609, 1220555218]

約数ペア:

[(1, 1220555218), (2, 610277609), (331, 3687478), (373, 3272266), (662, 1843739), (746, 1636133), (4943, 246926), (9886, 123463)]