2540642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 32

約数和(自身を含む): 4468800

約数和(自身を除く): 1928158

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 139, 247, 278, 481, 494, 703, 962, 1406, 1807, 2641, 3614, 5143, 5282, 9139, 10286, 18278, 34333, 66859, 68666, 97717, 133718, 195434, 1270321, 2540642]

約数ペア:

[(1, 2540642), (2, 1270321), (13, 195434), (19, 133718), (26, 97717), (37, 68666), (38, 66859), (74, 34333), (139, 18278), (247, 10286), (278, 9139), (481, 5282), (494, 5143), (703, 3614), (962, 2641), (1406, 1807)]