28181232

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 83566080

約数和(自身を除く): 55384848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 59, 62, 72, 93, 107, 118, 124, 144, 177, 186, 214, 236, 248, 279, 321, 354, 372, 428, 472, 496, 531, 558, 642, 708, 744, 856, 944, 963, 1062, 1116, 1284, 1416, 1488, 1712, 1829, 1926, 2124, 2232, 2568, 2832, 3317, 3658, 3852, 4248, 4464, 5136, 5487, 6313, 6634, 7316, 7704, 8496, 9951, 10974, 12626, 13268, 14632, 15408, 16461, 18939, 19902, 21948, 25252, 26536, 29264, 29853, 32922, 37878, 39804, 43896, 50504, 53072, 56817, 59706, 65844, 75756, 79608, 87792, 101008, 113634, 119412, 131688, 151512, 159216, 195703, 227268, 238824, 263376, 303024, 391406, 454536, 477648, 587109, 782812, 909072, 1174218, 1565624, 1761327, 2348436, 3131248, 3522654, 4696872, 7045308, 9393744, 14090616, 28181232]

約数ペア:

[(1, 28181232), (2, 14090616), (3, 9393744), (4, 7045308), (6, 4696872), (8, 3522654), (9, 3131248), (12, 2348436), (16, 1761327), (18, 1565624), (24, 1174218), (31, 909072), (36, 782812), (48, 587109), (59, 477648), (62, 454536), (72, 391406), (93, 303024), (107, 263376), (118, 238824), (124, 227268), (144, 195703), (177, 159216), (186, 151512), (214, 131688), (236, 119412), (248, 113634), (279, 101008), (321, 87792), (354, 79608), (372, 75756), (428, 65844), (472, 59706), (496, 56817), (531, 53072), (558, 50504), (642, 43896), (708, 39804), (744, 37878), (856, 32922), (944, 29853), (963, 29264), (1062, 26536), (1116, 25252), (1284, 21948), (1416, 19902), (1488, 18939), (1712, 16461), (1829, 15408), (1926, 14632), (2124, 13268), (2232, 12626), (2568, 10974), (2832, 9951), (3317, 8496), (3658, 7704), (3852, 7316), (4248, 6634), (4464, 6313), (5136, 5487)]