438872018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{4969}}^1$

素因数の和:5106

約数の個数: 32

約数和(自身を含む): 734764800

約数和(自身を除く): 295892782

約数列:

[1, 2, 13, 26, 43, 79, 86, 158, 559, 1027, 1118, 2054, 3397, 4969, 6794, 9938, 44161, 64597, 88322, 129194, 213667, 392551, 427334, 785102, 2777671, 5103163, 5555342, 10206326, 16879693, 33759386, 219436009, 438872018]

約数ペア:

[(1, 438872018), (2, 219436009), (13, 33759386), (26, 16879693), (43, 10206326), (79, 5555342), (86, 5103163), (158, 2777671), (559, 785102), (1027, 427334), (1118, 392551), (2054, 213667), (3397, 129194), (4969, 88322), (6794, 64597), (9938, 44161)]