81687422

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{27211}}^1$

素因数の和:27311

約数の個数: 16

約数和(自身を含む): 130617600

約数和(自身を除く): 48930178

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 27211, 54422, 517009, 1034018, 2149669, 4299338, 40843711, 81687422]

約数ペア:

[(1, 81687422), (2, 40843711), (19, 4299338), (38, 2149669), (79, 1034018), (158, 517009), (1501, 54422), (3002, 27211)]