About the Number
1994171907
2進数表記:1110110110111001010011000000011
漢数字表記:十九億九千四百十七万千九百七
素因数分解:
素因数の和:772
約数の個数: 64
約数和(自身を含む): 3333980160
約数和(自身を除く): 1339808253
約数列:
[1, 3, 7, 13, 21, 39, 91, 113, 127, 273, 339, 381, 509, 791, 889, 1469, 1527, 1651, 2373, 2667, 3563, 4407, 4953, 6617, 10283, 10689, 11557, 14351, 19851, 30849, 34671, 43053, 46319, 57517, 64643, 100457, 138957, 172551, 186563, 193929, 301371, 402619, 452501, 559689, 747721, 840359, 1207857, 1305941, 1357503, 2243163, 2521077, 3917823, 5234047, 5882513, 7304659, 15702141, 17647539, 21913977, 51132613, 94960567, 153397839, 284881701, 664723969, 1994171907]
約数ペア:
[(1, 1994171907), (3, 664723969), (7, 284881701), (13, 153397839), (21, 94960567), (39, 51132613), (91, 21913977), (113, 17647539), (127, 15702141), (273, 7304659), (339, 5882513), (381, 5234047), (509, 3917823), (791, 2521077), (889, 2243163), (1469, 1357503), (1527, 1305941), (1651, 1207857), (2373, 840359), (2667, 747721), (3563, 559689), (4407, 452501), (4953, 402619), (6617, 301371), (10283, 193929), (10689, 186563), (11557, 172551), (14351, 138957), (19851, 100457), (30849, 64643), (34671, 57517), (43053, 46319)]このpageの処理時間: 0.012289762496948242 seconds