81287352

素因数分解:

$2^3\times 3^2\times {\mathrm{313}}^1\times {\mathrm{3607}}^1$

素因数の和:3932

約数の個数: 48

約数和(自身を含む): 220917840

約数和(自身を除く): 139630488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 313, 626, 939, 1252, 1878, 2504, 2817, 3607, 3756, 5634, 7214, 7512, 10821, 11268, 14428, 21642, 22536, 28856, 32463, 43284, 64926, 86568, 129852, 259704, 1128991, 2257982, 3386973, 4515964, 6773946, 9031928, 10160919, 13547892, 20321838, 27095784, 40643676, 81287352]

約数ペア:

[(1, 81287352), (2, 40643676), (3, 27095784), (4, 20321838), (6, 13547892), (8, 10160919), (9, 9031928), (12, 6773946), (18, 4515964), (24, 3386973), (36, 2257982), (72, 1128991), (313, 259704), (626, 129852), (939, 86568), (1252, 64926), (1878, 43284), (2504, 32463), (2817, 28856), (3607, 22536), (3756, 21642), (5634, 14428), (7214, 11268), (7512, 10821)]