81900168

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{9949}}^1$

素因数の和:9979

約数の個数: 64

約数和(自身を含む): 238800000

約数和(自身を除く): 156899832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2744, 4116, 8232, 9949, 19898, 29847, 39796, 59694, 69643, 79592, 119388, 139286, 208929, 238776, 278572, 417858, 487501, 557144, 835716, 975002, 1462503, 1671432, 1950004, 2925006, 3412507, 3900008, 5850012, 6825014, 10237521, 11700024, 13650028, 20475042, 27300056, 40950084, 81900168]

約数ペア:

[(1, 81900168), (2, 40950084), (3, 27300056), (4, 20475042), (6, 13650028), (7, 11700024), (8, 10237521), (12, 6825014), (14, 5850012), (21, 3900008), (24, 3412507), (28, 2925006), (42, 1950004), (49, 1671432), (56, 1462503), (84, 975002), (98, 835716), (147, 557144), (168, 487501), (196, 417858), (294, 278572), (343, 238776), (392, 208929), (588, 139286), (686, 119388), (1029, 79592), (1176, 69643), (1372, 59694), (2058, 39796), (2744, 29847), (4116, 19898), (8232, 9949)]