28251054

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 72

約数和(自身を含む): 68343912

約数和(自身を除く): 40092858

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 169, 222, 234, 251, 333, 338, 481, 502, 507, 666, 753, 962, 1014, 1443, 1506, 1521, 2259, 2886, 3042, 3263, 4329, 4518, 6253, 6526, 8658, 9287, 9789, 12506, 18574, 18759, 19578, 27861, 29367, 37518, 42419, 55722, 56277, 58734, 83583, 84838, 112554, 120731, 127257, 167166, 241462, 254514, 362193, 381771, 724386, 763542, 1086579, 1569503, 2173158, 3139006, 4708509, 9417018, 14125527, 28251054]

約数ペア:

[(1, 28251054), (2, 14125527), (3, 9417018), (6, 4708509), (9, 3139006), (13, 2173158), (18, 1569503), (26, 1086579), (37, 763542), (39, 724386), (74, 381771), (78, 362193), (111, 254514), (117, 241462), (169, 167166), (222, 127257), (234, 120731), (251, 112554), (333, 84838), (338, 83583), (481, 58734), (502, 56277), (507, 55722), (666, 42419), (753, 37518), (962, 29367), (1014, 27861), (1443, 19578), (1506, 18759), (1521, 18574), (2259, 12506), (2886, 9789), (3042, 9287), (3263, 8658), (4329, 6526), (4518, 6253)]