28552212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{19}}^2$

素因数の和:87

約数の個数: 108

約数和(自身を含む): 82516980

約数和(自身を除く): 53964768

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 169, 171, 228, 234, 247, 338, 342, 361, 468, 494, 507, 676, 684, 722, 741, 988, 1014, 1083, 1444, 1482, 1521, 2028, 2166, 2197, 2223, 2964, 3042, 3211, 3249, 4332, 4394, 4446, 4693, 6084, 6422, 6498, 6591, 8788, 8892, 9386, 9633, 12844, 12996, 13182, 14079, 18772, 19266, 19773, 26364, 28158, 28899, 38532, 39546, 41743, 42237, 56316, 57798, 61009, 79092, 83486, 84474, 115596, 122018, 125229, 166972, 168948, 183027, 244036, 250458, 366054, 375687, 500916, 549081, 732108, 751374, 793117, 1098162, 1502748, 1586234, 2196324, 2379351, 3172468, 4758702, 7138053, 9517404, 14276106, 28552212]

約数ペア:

[(1, 28552212), (2, 14276106), (3, 9517404), (4, 7138053), (6, 4758702), (9, 3172468), (12, 2379351), (13, 2196324), (18, 1586234), (19, 1502748), (26, 1098162), (36, 793117), (38, 751374), (39, 732108), (52, 549081), (57, 500916), (76, 375687), (78, 366054), (114, 250458), (117, 244036), (156, 183027), (169, 168948), (171, 166972), (228, 125229), (234, 122018), (247, 115596), (338, 84474), (342, 83486), (361, 79092), (468, 61009), (494, 57798), (507, 56316), (676, 42237), (684, 41743), (722, 39546), (741, 38532), (988, 28899), (1014, 28158), (1083, 26364), (1444, 19773), (1482, 19266), (1521, 18772), (2028, 14079), (2166, 13182), (2197, 12996), (2223, 12844), (2964, 9633), (3042, 9386), (3211, 8892), (3249, 8788), (4332, 6591), (4394, 6498), (4446, 6422), (4693, 6084)]