28143902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{541}}^1$

素因数の和:636

約数の個数: 24

約数和(自身を含む): 45755640

約数和(自身を除く): 17611738

約数列:

[1, 2, 19, 37, 38, 74, 541, 703, 1082, 1369, 1406, 2738, 10279, 20017, 20558, 26011, 40034, 52022, 380323, 740629, 760646, 1481258, 14071951, 28143902]

約数ペア:

[(1, 28143902), (2, 14071951), (19, 1481258), (37, 760646), (38, 740629), (74, 380323), (541, 52022), (703, 40034), (1082, 26011), (1369, 20558), (1406, 20017), (2738, 10279)]