28403424

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 144

約数和(自身を含む): 94060512

約数和(自身を除く): 65657088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 73, 84, 96, 112, 126, 144, 146, 168, 193, 219, 224, 252, 288, 292, 336, 386, 438, 504, 511, 579, 584, 657, 672, 772, 876, 1008, 1022, 1158, 1168, 1314, 1351, 1533, 1544, 1737, 1752, 2016, 2044, 2316, 2336, 2628, 2702, 3066, 3088, 3474, 3504, 4053, 4088, 4599, 4632, 5256, 5404, 6132, 6176, 6948, 7008, 8106, 8176, 9198, 9264, 10512, 10808, 12159, 12264, 13896, 14089, 16212, 16352, 18396, 18528, 21024, 21616, 24318, 24528, 27792, 28178, 32424, 36792, 42267, 43232, 48636, 49056, 55584, 56356, 64848, 73584, 84534, 97272, 98623, 112712, 126801, 129696, 147168, 169068, 194544, 197246, 225424, 253602, 295869, 338136, 389088, 394492, 450848, 507204, 591738, 676272, 788984, 887607, 1014408, 1183476, 1352544, 1577968, 1775214, 2028816, 2366952, 3155936, 3550428, 4057632, 4733904, 7100856, 9467808, 14201712, 28403424]

約数ペア:

[(1, 28403424), (2, 14201712), (3, 9467808), (4, 7100856), (6, 4733904), (7, 4057632), (8, 3550428), (9, 3155936), (12, 2366952), (14, 2028816), (16, 1775214), (18, 1577968), (21, 1352544), (24, 1183476), (28, 1014408), (32, 887607), (36, 788984), (42, 676272), (48, 591738), (56, 507204), (63, 450848), (72, 394492), (73, 389088), (84, 338136), (96, 295869), (112, 253602), (126, 225424), (144, 197246), (146, 194544), (168, 169068), (193, 147168), (219, 129696), (224, 126801), (252, 112712), (288, 98623), (292, 97272), (336, 84534), (386, 73584), (438, 64848), (504, 56356), (511, 55584), (579, 49056), (584, 48636), (657, 43232), (672, 42267), (772, 36792), (876, 32424), (1008, 28178), (1022, 27792), (1158, 24528), (1168, 24318), (1314, 21616), (1351, 21024), (1533, 18528), (1544, 18396), (1737, 16352), (1752, 16212), (2016, 14089), (2044, 13896), (2316, 12264), (2336, 12159), (2628, 10808), (2702, 10512), (3066, 9264), (3088, 9198), (3474, 8176), (3504, 8106), (4053, 7008), (4088, 6948), (4599, 6176), (4632, 6132), (5256, 5404)]