8638416

素因数分解:

$2^4\times 3^2\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:504

約数の個数: 60

約数和(自身を含む): 24373440

約数和(自身を除く): 15735024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 239, 251, 478, 502, 717, 753, 956, 1004, 1434, 1506, 1912, 2008, 2151, 2259, 2868, 3012, 3824, 4016, 4302, 4518, 5736, 6024, 8604, 9036, 11472, 12048, 17208, 18072, 34416, 36144, 59989, 119978, 179967, 239956, 359934, 479912, 539901, 719868, 959824, 1079802, 1439736, 2159604, 2879472, 4319208, 8638416]

約数ペア:

[(1, 8638416), (2, 4319208), (3, 2879472), (4, 2159604), (6, 1439736), (8, 1079802), (9, 959824), (12, 719868), (16, 539901), (18, 479912), (24, 359934), (36, 239956), (48, 179967), (72, 119978), (144, 59989), (239, 36144), (251, 34416), (478, 18072), (502, 17208), (717, 12048), (753, 11472), (956, 9036), (1004, 8604), (1434, 6024), (1506, 5736), (1912, 4518), (2008, 4302), (2151, 4016), (2259, 3824), (2868, 3012)]