28286154

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1109}}^1$

素因数の和:1239

約数の個数: 48

約数和(自身を含む): 66666600

約数和(自身を除く): 38380446

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 109, 117, 218, 234, 327, 654, 981, 1109, 1417, 1962, 2218, 2834, 3327, 4251, 6654, 8502, 9981, 12753, 14417, 19962, 25506, 28834, 43251, 86502, 120881, 129753, 241762, 259506, 362643, 725286, 1087929, 1571453, 2175858, 3142906, 4714359, 9428718, 14143077, 28286154]

約数ペア:

[(1, 28286154), (2, 14143077), (3, 9428718), (6, 4714359), (9, 3142906), (13, 2175858), (18, 1571453), (26, 1087929), (39, 725286), (78, 362643), (109, 259506), (117, 241762), (218, 129753), (234, 120881), (327, 86502), (654, 43251), (981, 28834), (1109, 25506), (1417, 19962), (1962, 14417), (2218, 12753), (2834, 9981), (3327, 8502), (4251, 6654)]