491837138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{1481}}^1$

素因数の和:1790

約数の個数: 32

約数和(自身を含む): 813404592

約数和(自身を除く): 321567454

約数列:

[1, 2, 13, 26, 53, 106, 241, 482, 689, 1378, 1481, 2962, 3133, 6266, 12773, 19253, 25546, 38506, 78493, 156986, 166049, 332098, 356921, 713842, 1020409, 2040818, 4639973, 9279946, 18916813, 37833626, 245918569, 491837138]

約数ペア:

[(1, 491837138), (2, 245918569), (13, 37833626), (26, 18916813), (53, 9279946), (106, 4639973), (241, 2040818), (482, 1020409), (689, 713842), (1378, 356921), (1481, 332098), (2962, 166049), (3133, 156986), (6266, 78493), (12773, 38506), (19253, 25546)]