28730772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4957}}^1$

素因数の和:4997

約数の個数: 72

約数和(自身を含む): 86626176

約数和(自身を除く): 57895404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 4957, 5796, 9914, 14871, 19828, 29742, 34699, 44613, 59484, 69398, 89226, 104097, 114011, 138796, 178452, 208194, 228022, 312291, 342033, 416388, 456044, 624582, 684066, 798077, 1026099, 1249164, 1368132, 1596154, 2052198, 2394231, 3192308, 4104396, 4788462, 7182693, 9576924, 14365386, 28730772]

約数ペア:

[(1, 28730772), (2, 14365386), (3, 9576924), (4, 7182693), (6, 4788462), (7, 4104396), (9, 3192308), (12, 2394231), (14, 2052198), (18, 1596154), (21, 1368132), (23, 1249164), (28, 1026099), (36, 798077), (42, 684066), (46, 624582), (63, 456044), (69, 416388), (84, 342033), (92, 312291), (126, 228022), (138, 208194), (161, 178452), (207, 138796), (252, 114011), (276, 104097), (322, 89226), (414, 69398), (483, 59484), (644, 44613), (828, 34699), (966, 29742), (1449, 19828), (1932, 14871), (2898, 9914), (4957, 5796)]