28211652

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1777}}^1$

素因数の和:1807

約数の個数: 90

約数和(自身を含む): 85840062

約数和(自身を除く): 57628410

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 1777, 2268, 2646, 3554, 3969, 5292, 5331, 7108, 7938, 10662, 12439, 15876, 15993, 21324, 24878, 31986, 37317, 47979, 49756, 63972, 74634, 87073, 95958, 111951, 143937, 149268, 174146, 191916, 223902, 261219, 287874, 335853, 348292, 447804, 522438, 575748, 671706, 783657, 1007559, 1044876, 1343412, 1567314, 2015118, 2350971, 3134628, 4030236, 4701942, 7052913, 9403884, 14105826, 28211652]

約数ペア:

[(1, 28211652), (2, 14105826), (3, 9403884), (4, 7052913), (6, 4701942), (7, 4030236), (9, 3134628), (12, 2350971), (14, 2015118), (18, 1567314), (21, 1343412), (27, 1044876), (28, 1007559), (36, 783657), (42, 671706), (49, 575748), (54, 522438), (63, 447804), (81, 348292), (84, 335853), (98, 287874), (108, 261219), (126, 223902), (147, 191916), (162, 174146), (189, 149268), (196, 143937), (252, 111951), (294, 95958), (324, 87073), (378, 74634), (441, 63972), (567, 49756), (588, 47979), (756, 37317), (882, 31986), (1134, 24878), (1323, 21324), (1764, 15993), (1777, 15876), (2268, 12439), (2646, 10662), (3554, 7938), (3969, 7108), (5292, 5331)]