71778486

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{3499}}^1$

素因数の和:3780

約数の個数: 32

約数和(自身を含む): 155232000

約数和(自身を除く): 83453514

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1578, 3419, 3499, 6838, 6998, 10257, 10497, 20514, 20994, 45487, 90974, 136461, 272922, 920237, 1840474, 2760711, 5521422, 11963081, 23926162, 35889243, 71778486]

約数ペア:

[(1, 71778486), (2, 35889243), (3, 23926162), (6, 11963081), (13, 5521422), (26, 2760711), (39, 1840474), (78, 920237), (263, 272922), (526, 136461), (789, 90974), (1578, 45487), (3419, 20994), (3499, 20514), (6838, 10497), (6998, 10257)]