7900048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 40

約数和(自身を含む): 17360000

約数和(自身を除く): 9459952

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 1999, 3952, 3998, 7996, 15992, 25987, 31984, 37981, 51974, 75962, 103948, 151924, 207896, 303848, 415792, 493753, 607696, 987506, 1975012, 3950024, 7900048]

約数ペア:

[(1, 7900048), (2, 3950024), (4, 1975012), (8, 987506), (13, 607696), (16, 493753), (19, 415792), (26, 303848), (38, 207896), (52, 151924), (76, 103948), (104, 75962), (152, 51974), (208, 37981), (247, 31984), (304, 25987), (494, 15992), (988, 7996), (1976, 3998), (1999, 3952)]