31203445

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 47860848

約数和(自身を除く): 16657403

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 97, 101, 245, 455, 485, 505, 637, 679, 707, 1261, 1313, 3185, 3395, 3535, 4753, 4949, 6305, 6565, 8827, 9191, 9797, 23765, 24745, 44135, 45955, 48985, 61789, 64337, 68579, 127361, 308945, 321685, 342895, 480053, 636805, 891527, 2400265, 4457635, 6240689, 31203445]

約数ペア:

[(1, 31203445), (5, 6240689), (7, 4457635), (13, 2400265), (35, 891527), (49, 636805), (65, 480053), (91, 342895), (97, 321685), (101, 308945), (245, 127361), (455, 68579), (485, 64337), (505, 61789), (637, 48985), (679, 45955), (707, 44135), (1261, 24745), (1313, 23765), (3185, 9797), (3395, 9191), (3535, 8827), (4753, 6565), (4949, 6305)]