154996868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{21757}}^1$

素因数の和:21911

約数の個数: 24

約数和(自身を含む): 294255192

約数和(自身を除く): 139258324

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124, 21757, 43514, 87028, 282841, 565682, 1131364, 2980709, 5961418, 11922836, 38749217, 77498434, 154996868]

約数ペア:

[(1, 154996868), (2, 77498434), (4, 38749217), (13, 11922836), (26, 5961418), (52, 2980709), (137, 1131364), (274, 565682), (548, 282841), (1781, 87028), (3562, 43514), (7124, 21757)]