28209888

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{1999}}^1$

素因数の和:2029

約数の個数: 108

約数和(自身を含む): 93366000

約数和(自身を除く): 65156112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 882, 1008, 1176, 1568, 1764, 1999, 2016, 2352, 3528, 3998, 4704, 5997, 7056, 7996, 11994, 13993, 14112, 15992, 17991, 23988, 27986, 31984, 35982, 41979, 47976, 55972, 63968, 71964, 83958, 95952, 97951, 111944, 125937, 143928, 167916, 191904, 195902, 223888, 251874, 287856, 293853, 335832, 391804, 447776, 503748, 575712, 587706, 671664, 783608, 881559, 1007496, 1175412, 1343328, 1567216, 1763118, 2014992, 2350824, 3134432, 3526236, 4029984, 4701648, 7052472, 9403296, 14104944, 28209888]

約数ペア:

[(1, 28209888), (2, 14104944), (3, 9403296), (4, 7052472), (6, 4701648), (7, 4029984), (8, 3526236), (9, 3134432), (12, 2350824), (14, 2014992), (16, 1763118), (18, 1567216), (21, 1343328), (24, 1175412), (28, 1007496), (32, 881559), (36, 783608), (42, 671664), (48, 587706), (49, 575712), (56, 503748), (63, 447776), (72, 391804), (84, 335832), (96, 293853), (98, 287856), (112, 251874), (126, 223888), (144, 195902), (147, 191904), (168, 167916), (196, 143928), (224, 125937), (252, 111944), (288, 97951), (294, 95952), (336, 83958), (392, 71964), (441, 63968), (504, 55972), (588, 47976), (672, 41979), (784, 35982), (882, 31984), (1008, 27986), (1176, 23988), (1568, 17991), (1764, 15992), (1999, 14112), (2016, 13993), (2352, 11994), (3528, 7996), (3998, 7056), (4704, 5997)]