780346478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{1091}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 1258377120

約数和(自身を除く): 478030642

約数列:

[1, 2, 17, 34, 109, 193, 218, 386, 1091, 1853, 2182, 3281, 3706, 6562, 18547, 21037, 37094, 42074, 118919, 210563, 237838, 357629, 421126, 715258, 2021623, 3579571, 4043246, 7159142, 22951367, 45902734, 390173239, 780346478]

約数ペア:

[(1, 780346478), (2, 390173239), (17, 45902734), (34, 22951367), (109, 7159142), (193, 4043246), (218, 3579571), (386, 2021623), (1091, 715258), (1853, 421126), (2182, 357629), (3281, 237838), (3706, 210563), (6562, 118919), (18547, 42074), (21037, 37094)]