289862495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{947}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 398478528

約数和(自身を除く): 108616033

約数列:

[1, 5, 13, 17, 65, 85, 221, 277, 947, 1105, 1385, 3601, 4709, 4735, 12311, 16099, 18005, 23545, 61217, 61555, 80495, 209287, 262319, 306085, 1046435, 1311595, 3410147, 4459423, 17050735, 22297115, 57972499, 289862495]

約数ペア:

[(1, 289862495), (5, 57972499), (13, 22297115), (17, 17050735), (65, 4459423), (85, 3410147), (221, 1311595), (277, 1046435), (947, 306085), (1105, 262319), (1385, 209287), (3601, 80495), (4709, 61555), (4735, 61217), (12311, 23545), (16099, 18005)]