28736435

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 42844032

約数和(自身を除く): 14107597

約数列:

[1, 5, 7, 13, 35, 65, 91, 137, 455, 461, 685, 959, 1781, 2305, 3227, 4795, 5993, 8905, 12467, 16135, 29965, 41951, 62335, 63157, 209755, 315785, 442099, 821041, 2210495, 4105205, 5747287, 28736435]

約数ペア:

[(1, 28736435), (5, 5747287), (7, 4105205), (13, 2210495), (35, 821041), (65, 442099), (91, 315785), (137, 209755), (455, 63157), (461, 62335), (685, 41951), (959, 29965), (1781, 16135), (2305, 12467), (3227, 8905), (4795, 5993)]