258337664

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{155251}}^1$

素因数の和:155278

約数の個数: 32

約数和(自身を含む): 554249640

約数和(自身を除く): 295911976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 155251, 310502, 621004, 1242008, 2018263, 2484016, 4036526, 4968032, 8073052, 9936064, 16146104, 19872128, 32292208, 64584416, 129168832, 258337664]

約数ペア:

[(1, 258337664), (2, 129168832), (4, 64584416), (8, 32292208), (13, 19872128), (16, 16146104), (26, 9936064), (32, 8073052), (52, 4968032), (64, 4036526), (104, 2484016), (128, 2018263), (208, 1242008), (416, 621004), (832, 310502), (1664, 155251)]