28655316

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 78140160

約数和(自身を除く): 49484844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 71, 74, 101, 108, 111, 142, 148, 202, 213, 222, 284, 303, 333, 404, 426, 444, 606, 639, 666, 852, 909, 999, 1212, 1278, 1332, 1818, 1917, 1998, 2556, 2627, 2727, 3636, 3737, 3834, 3996, 5254, 5454, 7171, 7474, 7668, 7881, 10508, 10908, 11211, 14342, 14948, 15762, 21513, 22422, 23643, 28684, 31524, 33633, 43026, 44844, 47286, 64539, 67266, 70929, 86052, 94572, 100899, 129078, 134532, 141858, 193617, 201798, 258156, 265327, 283716, 387234, 403596, 530654, 774468, 795981, 1061308, 1591962, 2387943, 3183924, 4775886, 7163829, 9551772, 14327658, 28655316]

約数ペア:

[(1, 28655316), (2, 14327658), (3, 9551772), (4, 7163829), (6, 4775886), (9, 3183924), (12, 2387943), (18, 1591962), (27, 1061308), (36, 795981), (37, 774468), (54, 530654), (71, 403596), (74, 387234), (101, 283716), (108, 265327), (111, 258156), (142, 201798), (148, 193617), (202, 141858), (213, 134532), (222, 129078), (284, 100899), (303, 94572), (333, 86052), (404, 70929), (426, 67266), (444, 64539), (606, 47286), (639, 44844), (666, 43026), (852, 33633), (909, 31524), (999, 28684), (1212, 23643), (1278, 22422), (1332, 21513), (1818, 15762), (1917, 14948), (1998, 14342), (2556, 11211), (2627, 10908), (2727, 10508), (3636, 7881), (3737, 7668), (3834, 7474), (3996, 7171), (5254, 5454)]