28708848

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1539

約数の個数: 120

約数和(自身を含む): 96720000

約数和(自身を除く): 68011152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 304, 336, 342, 399, 456, 504, 532, 684, 798, 912, 1008, 1064, 1197, 1368, 1499, 1596, 2128, 2394, 2736, 2998, 3192, 4497, 4788, 5996, 6384, 8994, 9576, 10493, 11992, 13491, 17988, 19152, 20986, 23984, 26982, 28481, 31479, 35976, 41972, 53964, 56962, 62958, 71952, 83944, 85443, 94437, 107928, 113924, 125916, 167888, 170886, 188874, 199367, 215856, 227848, 251832, 256329, 341772, 377748, 398734, 455696, 503664, 512658, 598101, 683544, 755496, 797468, 1025316, 1196202, 1367088, 1510992, 1594936, 1794303, 2050632, 2392404, 3189872, 3588606, 4101264, 4784808, 7177212, 9569616, 14354424, 28708848]

約数ペア:

[(1, 28708848), (2, 14354424), (3, 9569616), (4, 7177212), (6, 4784808), (7, 4101264), (8, 3588606), (9, 3189872), (12, 2392404), (14, 2050632), (16, 1794303), (18, 1594936), (19, 1510992), (21, 1367088), (24, 1196202), (28, 1025316), (36, 797468), (38, 755496), (42, 683544), (48, 598101), (56, 512658), (57, 503664), (63, 455696), (72, 398734), (76, 377748), (84, 341772), (112, 256329), (114, 251832), (126, 227848), (133, 215856), (144, 199367), (152, 188874), (168, 170886), (171, 167888), (228, 125916), (252, 113924), (266, 107928), (304, 94437), (336, 85443), (342, 83944), (399, 71952), (456, 62958), (504, 56962), (532, 53964), (684, 41972), (798, 35976), (912, 31479), (1008, 28481), (1064, 26982), (1197, 23984), (1368, 20986), (1499, 19152), (1596, 17988), (2128, 13491), (2394, 11992), (2736, 10493), (2998, 9576), (3192, 8994), (4497, 6384), (4788, 5996)]