28763784

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 93899520

約数和(自身を除く): 65135736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 49, 56, 62, 63, 72, 84, 93, 98, 124, 126, 147, 168, 186, 196, 217, 248, 252, 263, 279, 294, 372, 392, 434, 441, 504, 526, 558, 588, 651, 744, 789, 868, 882, 1052, 1116, 1176, 1302, 1519, 1578, 1736, 1764, 1841, 1953, 2104, 2232, 2367, 2604, 3038, 3156, 3528, 3682, 3906, 4557, 4734, 5208, 5523, 6076, 6312, 7364, 7812, 8153, 9114, 9468, 11046, 12152, 12887, 13671, 14728, 15624, 16306, 16569, 18228, 18936, 22092, 24459, 25774, 27342, 32612, 33138, 36456, 38661, 44184, 48918, 51548, 54684, 57071, 65224, 66276, 73377, 77322, 97836, 103096, 109368, 114142, 115983, 132552, 146754, 154644, 171213, 195672, 228284, 231966, 293508, 309288, 342426, 399497, 456568, 463932, 513639, 587016, 684852, 798994, 927864, 1027278, 1198491, 1369704, 1597988, 2054556, 2396982, 3195976, 3595473, 4109112, 4793964, 7190946, 9587928, 14381892, 28763784]

約数ペア:

[(1, 28763784), (2, 14381892), (3, 9587928), (4, 7190946), (6, 4793964), (7, 4109112), (8, 3595473), (9, 3195976), (12, 2396982), (14, 2054556), (18, 1597988), (21, 1369704), (24, 1198491), (28, 1027278), (31, 927864), (36, 798994), (42, 684852), (49, 587016), (56, 513639), (62, 463932), (63, 456568), (72, 399497), (84, 342426), (93, 309288), (98, 293508), (124, 231966), (126, 228284), (147, 195672), (168, 171213), (186, 154644), (196, 146754), (217, 132552), (248, 115983), (252, 114142), (263, 109368), (279, 103096), (294, 97836), (372, 77322), (392, 73377), (434, 66276), (441, 65224), (504, 57071), (526, 54684), (558, 51548), (588, 48918), (651, 44184), (744, 38661), (789, 36456), (868, 33138), (882, 32612), (1052, 27342), (1116, 25774), (1176, 24459), (1302, 22092), (1519, 18936), (1578, 18228), (1736, 16569), (1764, 16306), (1841, 15624), (1953, 14728), (2104, 13671), (2232, 12887), (2367, 12152), (2604, 11046), (3038, 9468), (3156, 9114), (3528, 8153), (3682, 7812), (3906, 7364), (4557, 6312), (4734, 6076), (5208, 5523)]