16745425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:130

約数の個数: 36

約数和(自身を含む): 23271948

約数和(自身を除く): 6526523

約数列:

[1, 5, 17, 25, 31, 41, 85, 155, 205, 425, 527, 697, 775, 961, 1025, 1271, 2635, 3485, 4805, 6355, 13175, 16337, 17425, 21607, 24025, 31775, 39401, 81685, 108035, 197005, 408425, 540175, 669817, 985025, 3349085, 16745425]

約数ペア:

[(1, 16745425), (5, 3349085), (17, 985025), (25, 669817), (31, 540175), (41, 408425), (85, 197005), (155, 108035), (205, 81685), (425, 39401), (527, 31775), (697, 24025), (775, 21607), (961, 17425), (1025, 16337), (1271, 13175), (2635, 6355), (3485, 4805)]