639608904

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{73417}}^1$

素因数の和:73451

約数の個数: 72

約数和(自身を含む): 1904095830

約数和(自身を除く): 1264486926

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2904, 4356, 8712, 73417, 146834, 220251, 293668, 440502, 587336, 660753, 807587, 881004, 1321506, 1615174, 1762008, 2422761, 2643012, 3230348, 4845522, 5286024, 6460696, 7268283, 8883457, 9691044, 14536566, 17766914, 19382088, 26650371, 29073132, 35533828, 53300742, 58146264, 71067656, 79951113, 106601484, 159902226, 213202968, 319804452, 639608904]

約数ペア:

[(1, 639608904), (2, 319804452), (3, 213202968), (4, 159902226), (6, 106601484), (8, 79951113), (9, 71067656), (11, 58146264), (12, 53300742), (18, 35533828), (22, 29073132), (24, 26650371), (33, 19382088), (36, 17766914), (44, 14536566), (66, 9691044), (72, 8883457), (88, 7268283), (99, 6460696), (121, 5286024), (132, 4845522), (198, 3230348), (242, 2643012), (264, 2422761), (363, 1762008), (396, 1615174), (484, 1321506), (726, 881004), (792, 807587), (968, 660753), (1089, 587336), (1452, 440502), (2178, 293668), (2904, 220251), (4356, 146834), (8712, 73417)]