25725245

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 39817008

約数和(自身を除く): 14091763

約数列:

[1, 5, 7, 13, 35, 41, 49, 65, 91, 197, 205, 245, 287, 455, 533, 637, 985, 1379, 1435, 2009, 2561, 2665, 3185, 3731, 6895, 8077, 9653, 10045, 12805, 17927, 18655, 26117, 40385, 48265, 56539, 89635, 105001, 125489, 130585, 282695, 395773, 525005, 627445, 735007, 1978865, 3675035, 5145049, 25725245]

約数ペア:

[(1, 25725245), (5, 5145049), (7, 3675035), (13, 1978865), (35, 735007), (41, 627445), (49, 525005), (65, 395773), (91, 282695), (197, 130585), (205, 125489), (245, 105001), (287, 89635), (455, 56539), (533, 48265), (637, 40385), (985, 26117), (1379, 18655), (1435, 17927), (2009, 12805), (2561, 10045), (2665, 9653), (3185, 8077), (3731, 6895)]