128577978

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{947}}^1$

素因数の和:1371

約数の個数: 48

約数和(自身を含む): 294297120

約数和(自身を除く): 165719142

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 397, 794, 947, 1191, 1894, 2382, 2841, 3573, 5682, 7146, 7543, 8523, 15086, 17046, 17993, 22629, 35986, 45258, 53979, 67887, 107958, 135774, 161937, 323874, 375959, 751918, 1127877, 2255754, 3383631, 6767262, 7143221, 14286442, 21429663, 42859326, 64288989, 128577978]

約数ペア:

[(1, 128577978), (2, 64288989), (3, 42859326), (6, 21429663), (9, 14286442), (18, 7143221), (19, 6767262), (38, 3383631), (57, 2255754), (114, 1127877), (171, 751918), (342, 375959), (397, 323874), (794, 161937), (947, 135774), (1191, 107958), (1894, 67887), (2382, 53979), (2841, 45258), (3573, 35986), (5682, 22629), (7146, 17993), (7543, 17046), (8523, 15086)]