128917685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 173601792

約数和(自身を除く): 44684107

約数列:

[1, 5, 13, 31, 65, 137, 155, 403, 467, 685, 1781, 2015, 2335, 4247, 6071, 8905, 14477, 21235, 30355, 55211, 63979, 72385, 188201, 276055, 319895, 831727, 941005, 1983349, 4158635, 9916745, 25783537, 128917685]

約数ペア:

[(1, 128917685), (5, 25783537), (13, 9916745), (31, 4158635), (65, 1983349), (137, 941005), (155, 831727), (403, 319895), (467, 276055), (685, 188201), (1781, 72385), (2015, 63979), (2335, 55211), (4247, 30355), (6071, 21235), (8905, 14477)]