280903532

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1223}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 606477312

約数和(自身を除く): 325573780

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 631, 1223, 1262, 2446, 2524, 4417, 4892, 8203, 8561, 8834, 15899, 16406, 17122, 17668, 31798, 32812, 34244, 57421, 63596, 111293, 114842, 222586, 229684, 445172, 771713, 1543426, 3086852, 5401991, 10032269, 10803982, 20064538, 21607964, 40129076, 70225883, 140451766, 280903532]

約数ペア:

[(1, 280903532), (2, 140451766), (4, 70225883), (7, 40129076), (13, 21607964), (14, 20064538), (26, 10803982), (28, 10032269), (52, 5401991), (91, 3086852), (182, 1543426), (364, 771713), (631, 445172), (1223, 229684), (1262, 222586), (2446, 114842), (2524, 111293), (4417, 63596), (4892, 57421), (8203, 34244), (8561, 32812), (8834, 31798), (15899, 17668), (16406, 17122)]