2017877197

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{2357}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 2503630080

約数和(自身を除く): 485752883

約数列:

[1, 7, 19, 41, 133, 157, 287, 779, 1099, 2357, 2983, 5453, 6437, 16499, 20881, 44783, 45059, 96637, 122303, 313481, 370049, 676459, 856121, 1836103, 2590343, 7030931, 12852721, 15172009, 49216517, 106204063, 288268171, 2017877197]

約数ペア:

[(1, 2017877197), (7, 288268171), (19, 106204063), (41, 49216517), (133, 15172009), (157, 12852721), (287, 7030931), (779, 2590343), (1099, 1836103), (2357, 856121), (2983, 676459), (5453, 370049), (6437, 313481), (16499, 122303), (20881, 96637), (44783, 45059)]