51512545

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 73598976

約数和(自身を除く): 22086431

約数列:

[1, 5, 7, 31, 35, 155, 197, 217, 241, 985, 1085, 1205, 1379, 1687, 6107, 6895, 7471, 8435, 30535, 37355, 42749, 47477, 52297, 213745, 237385, 261485, 332339, 1471787, 1661695, 7358935, 10302509, 51512545]

約数ペア:

[(1, 51512545), (5, 10302509), (7, 7358935), (31, 1661695), (35, 1471787), (155, 332339), (197, 261485), (217, 237385), (241, 213745), (985, 52297), (1085, 47477), (1205, 42749), (1379, 37355), (1687, 30535), (6107, 8435), (6895, 7471)]