28307188

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4093}}^1$

素因数の和:4136

約数の個数: 48

約数和(自身を含む): 64193920

約数和(自身を除く): 35886732

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 4093, 6916, 8186, 16372, 28651, 53209, 57302, 77767, 106418, 114604, 155534, 212836, 311068, 372463, 544369, 744926, 1010971, 1088738, 1489852, 2021942, 2177476, 4043884, 7076797, 14153594, 28307188]

約数ペア:

[(1, 28307188), (2, 14153594), (4, 7076797), (7, 4043884), (13, 2177476), (14, 2021942), (19, 1489852), (26, 1088738), (28, 1010971), (38, 744926), (52, 544369), (76, 372463), (91, 311068), (133, 212836), (182, 155534), (247, 114604), (266, 106418), (364, 77767), (494, 57302), (532, 53209), (988, 28651), (1729, 16372), (3458, 8186), (4093, 6916)]