28981932

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2187

約数の個数: 72

約数和(自身を含む): 82123776

約数和(自身を除く): 53141844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 966, 1127, 1932, 2143, 2254, 3381, 4286, 4508, 6429, 6762, 8572, 12858, 13524, 15001, 25716, 30002, 45003, 49289, 60004, 90006, 98578, 105007, 147867, 180012, 197156, 210014, 295734, 315021, 345023, 420028, 591468, 630042, 690046, 1035069, 1260084, 1380092, 2070138, 2415161, 4140276, 4830322, 7245483, 9660644, 14490966, 28981932]

約数ペア:

[(1, 28981932), (2, 14490966), (3, 9660644), (4, 7245483), (6, 4830322), (7, 4140276), (12, 2415161), (14, 2070138), (21, 1380092), (23, 1260084), (28, 1035069), (42, 690046), (46, 630042), (49, 591468), (69, 420028), (84, 345023), (92, 315021), (98, 295734), (138, 210014), (147, 197156), (161, 180012), (196, 147867), (276, 105007), (294, 98578), (322, 90006), (483, 60004), (588, 49289), (644, 45003), (966, 30002), (1127, 25716), (1932, 15001), (2143, 13524), (2254, 12858), (3381, 8572), (4286, 6762), (4508, 6429)]