208889642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 375417504

約数和(自身を除く): 166527862

約数列:

[1, 2, 13, 17, 26, 34, 37, 53, 74, 106, 221, 241, 442, 481, 482, 629, 689, 901, 962, 1258, 1378, 1802, 1961, 3133, 3922, 4097, 6266, 8177, 8194, 8917, 11713, 12773, 16354, 17834, 23426, 25493, 25546, 33337, 50986, 53261, 66674, 106522, 115921, 151589, 166049, 217141, 231842, 303178, 332098, 433381, 434282, 472601, 866762, 945202, 1970657, 2822833, 3941314, 5645666, 6143813, 8034217, 12287626, 16068434, 104444821, 208889642]

約数ペア:

[(1, 208889642), (2, 104444821), (13, 16068434), (17, 12287626), (26, 8034217), (34, 6143813), (37, 5645666), (53, 3941314), (74, 2822833), (106, 1970657), (221, 945202), (241, 866762), (442, 472601), (481, 434282), (482, 433381), (629, 332098), (689, 303178), (901, 231842), (962, 217141), (1258, 166049), (1378, 151589), (1802, 115921), (1961, 106522), (3133, 66674), (3922, 53261), (4097, 50986), (6266, 33337), (8177, 25546), (8194, 25493), (8917, 23426), (11713, 17834), (12773, 16354)]