688754274

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{3023}}^1$

素因数の和:3191

約数の個数: 64

約数和(自身を含む): 1560674304

約数和(自身を除く): 871920030

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 127, 138, 254, 299, 381, 598, 762, 897, 1651, 1794, 2921, 3023, 3302, 4953, 5842, 6046, 8763, 9069, 9906, 17526, 18138, 37973, 39299, 69529, 75946, 78598, 113919, 117897, 139058, 208587, 227838, 235794, 383921, 417174, 767842, 903877, 1151763, 1807754, 2303526, 2711631, 4990973, 5423262, 8830183, 9981946, 14972919, 17660366, 26490549, 29945838, 52981098, 114792379, 229584758, 344377137, 688754274]

約数ペア:

[(1, 688754274), (2, 344377137), (3, 229584758), (6, 114792379), (13, 52981098), (23, 29945838), (26, 26490549), (39, 17660366), (46, 14972919), (69, 9981946), (78, 8830183), (127, 5423262), (138, 4990973), (254, 2711631), (299, 2303526), (381, 1807754), (598, 1151763), (762, 903877), (897, 767842), (1651, 417174), (1794, 383921), (2921, 235794), (3023, 227838), (3302, 208587), (4953, 139058), (5842, 117897), (6046, 113919), (8763, 78598), (9069, 75946), (9906, 69529), (17526, 39299), (18138, 37973)]