872051257

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2621}}^1$

素因数の和:2817

約数の個数: 32

約数和(自身を含む): 1132704000

約数和(自身を除く): 260652743

約数列:

[1, 7, 11, 29, 77, 149, 203, 319, 1043, 1639, 2233, 2621, 4321, 11473, 18347, 28831, 30247, 47531, 76009, 201817, 332717, 390529, 532063, 836099, 2733703, 4295819, 5852693, 11325341, 30070733, 79277387, 124578751, 872051257]

約数ペア:

[(1, 872051257), (7, 124578751), (11, 79277387), (29, 30070733), (77, 11325341), (149, 5852693), (203, 4295819), (319, 2733703), (1043, 836099), (1639, 532063), (2233, 390529), (2621, 332717), (4321, 201817), (11473, 76009), (18347, 47531), (28831, 30247)]