128974274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 246903552

約数和(自身を除く): 117929278

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 41, 82, 143, 187, 221, 286, 374, 442, 451, 533, 647, 697, 902, 1066, 1294, 1394, 2431, 4862, 5863, 7117, 7667, 8411, 9061, 10999, 11726, 14234, 15334, 16822, 18122, 21998, 26527, 53054, 92521, 99671, 120989, 142987, 185042, 199342, 241978, 285974, 291797, 344851, 450959, 583594, 689702, 901918, 1572857, 3145714, 3793361, 4960549, 5862467, 7586722, 9921098, 11724934, 64487137, 128974274]

約数ペア:

[(1, 128974274), (2, 64487137), (11, 11724934), (13, 9921098), (17, 7586722), (22, 5862467), (26, 4960549), (34, 3793361), (41, 3145714), (82, 1572857), (143, 901918), (187, 689702), (221, 583594), (286, 450959), (374, 344851), (442, 291797), (451, 285974), (533, 241978), (647, 199342), (697, 185042), (902, 142987), (1066, 120989), (1294, 99671), (1394, 92521), (2431, 53054), (4862, 26527), (5863, 21998), (7117, 18122), (7667, 16822), (8411, 15334), (9061, 14234), (10999, 11726)]