264839510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{65717}}^1$

素因数の和:65768

約数の個数: 32

約数和(自身を含む): 529949952

約数和(自身を除く): 265110442

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 65717, 131434, 328585, 657170, 854321, 1708642, 2037227, 4074454, 4271605, 8543210, 10186135, 20372270, 26483951, 52967902, 132419755, 264839510]

約数ペア:

[(1, 264839510), (2, 132419755), (5, 52967902), (10, 26483951), (13, 20372270), (26, 10186135), (31, 8543210), (62, 4271605), (65, 4074454), (130, 2037227), (155, 1708642), (310, 854321), (403, 657170), (806, 328585), (2015, 131434), (4030, 65717)]