3942187184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{1021}}^1$

素因数の和:2038

約数の個数: 80

約数和(自身を含む): 8675798880

約数和(自身を除く): 4733611696

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 977, 988, 1021, 1954, 1976, 2042, 3908, 3952, 4084, 7816, 8168, 12701, 13273, 15632, 16336, 18563, 19399, 25402, 26546, 37126, 38798, 50804, 53092, 74252, 77596, 101608, 106184, 148504, 155192, 203216, 212368, 241319, 252187, 297008, 310384, 482638, 504374, 965276, 997517, 1008748, 1930552, 1995034, 2017496, 3861104, 3990068, 4034992, 7980136, 12967721, 15960272, 18952823, 25935442, 37905646, 51870884, 75811292, 103741768, 151622584, 207483536, 246386699, 303245168, 492773398, 985546796, 1971093592, 3942187184]

約数ペア:

[(1, 3942187184), (2, 1971093592), (4, 985546796), (8, 492773398), (13, 303245168), (16, 246386699), (19, 207483536), (26, 151622584), (38, 103741768), (52, 75811292), (76, 51870884), (104, 37905646), (152, 25935442), (208, 18952823), (247, 15960272), (304, 12967721), (494, 7980136), (977, 4034992), (988, 3990068), (1021, 3861104), (1954, 2017496), (1976, 1995034), (2042, 1930552), (3908, 1008748), (3952, 997517), (4084, 965276), (7816, 504374), (8168, 482638), (12701, 310384), (13273, 297008), (15632, 252187), (16336, 241319), (18563, 212368), (19399, 203216), (25402, 155192), (26546, 148504), (37126, 106184), (38798, 101608), (50804, 77596), (53092, 74252)]