561658045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8737}}^1$

素因数の和:8821

約数の個数: 32

約数和(自身を含む): 775095552

約数和(自身を除く): 213437507

約数列:

[1, 5, 13, 23, 43, 65, 115, 215, 299, 559, 989, 1495, 2795, 4945, 8737, 12857, 43685, 64285, 113581, 200951, 375691, 567905, 1004755, 1878455, 2612363, 4883983, 8640893, 13061815, 24419915, 43204465, 112331609, 561658045]

約数ペア:

[(1, 561658045), (5, 112331609), (13, 43204465), (23, 24419915), (43, 13061815), (65, 8640893), (115, 4883983), (215, 2612363), (299, 1878455), (559, 1004755), (989, 567905), (1495, 375691), (2795, 200951), (4945, 113581), (8737, 64285), (12857, 43685)]