1289500738

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{190811}}^1$

素因数の和:190953

約数の個数: 16

約数和(自身を含む): 2014974720

約数和(自身を除く): 725473982

約数列:

[1, 2, 31, 62, 109, 218, 3379, 6758, 190811, 381622, 5915141, 11830282, 20798399, 41596798, 644750369, 1289500738]

約数ペア:

[(1, 1289500738), (2, 644750369), (31, 41596798), (62, 20798399), (109, 11830282), (218, 5915141), (3379, 381622), (6758, 190811)]