27997658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 46663680

約数和(自身を除く): 18666022

約数列:

[1, 2, 13, 26, 61, 122, 127, 139, 254, 278, 793, 1586, 1651, 1807, 3302, 3614, 7747, 8479, 15494, 16958, 17653, 35306, 100711, 110227, 201422, 220454, 229489, 458978, 1076833, 2153666, 13998829, 27997658]

約数ペア:

[(1, 27997658), (2, 13998829), (13, 2153666), (26, 1076833), (61, 458978), (122, 229489), (127, 220454), (139, 201422), (254, 110227), (278, 100711), (793, 35306), (1586, 17653), (1651, 16958), (1807, 15494), (3302, 8479), (3614, 7747)]