490850305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{653}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 655464960

約数和(自身を除く): 164614655

約数列:

[1, 5, 11, 55, 79, 173, 395, 653, 865, 869, 1903, 3265, 4345, 7183, 9515, 13667, 35915, 51587, 68335, 112969, 150337, 257935, 564845, 567457, 751685, 1242659, 2837285, 6213295, 8924551, 44622755, 98170061, 490850305]

約数ペア:

[(1, 490850305), (5, 98170061), (11, 44622755), (55, 8924551), (79, 6213295), (173, 2837285), (395, 1242659), (653, 751685), (865, 567457), (869, 564845), (1903, 257935), (3265, 150337), (4345, 112969), (7183, 68335), (9515, 51587), (13667, 35915)]