161945004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{28057}}^1$

素因数の和:28114

約数の個数: 48

約数和(自身を含む): 417951968

約数和(自身を除く): 256006964

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 5772, 28057, 56114, 84171, 112228, 168342, 336684, 364741, 729482, 1038109, 1094223, 1458964, 2076218, 2188446, 3114327, 4152436, 4376892, 6228654, 12457308, 13495417, 26990834, 40486251, 53981668, 80972502, 161945004]

約数ペア:

[(1, 161945004), (2, 80972502), (3, 53981668), (4, 40486251), (6, 26990834), (12, 13495417), (13, 12457308), (26, 6228654), (37, 4376892), (39, 4152436), (52, 3114327), (74, 2188446), (78, 2076218), (111, 1458964), (148, 1094223), (156, 1038109), (222, 729482), (444, 364741), (481, 336684), (962, 168342), (1443, 112228), (1924, 84171), (2886, 56114), (5772, 28057)]