128528554

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 253642752

約数和(自身を除く): 125114198

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 131, 154, 161, 253, 262, 277, 322, 506, 554, 917, 1441, 1771, 1834, 1939, 2882, 3013, 3047, 3542, 3878, 6026, 6094, 6371, 10087, 12742, 20174, 21091, 21329, 33143, 36287, 42182, 42658, 44597, 66286, 70081, 72574, 89194, 140162, 232001, 254009, 399157, 464002, 490567, 508018, 798314, 834601, 981134, 1669202, 2794099, 5588198, 5842207, 9180611, 11684414, 18361222, 64264277, 128528554]

約数ペア:

[(1, 128528554), (2, 64264277), (7, 18361222), (11, 11684414), (14, 9180611), (22, 5842207), (23, 5588198), (46, 2794099), (77, 1669202), (131, 981134), (154, 834601), (161, 798314), (253, 508018), (262, 490567), (277, 464002), (322, 399157), (506, 254009), (554, 232001), (917, 140162), (1441, 89194), (1771, 72574), (1834, 70081), (1939, 66286), (2882, 44597), (3013, 42658), (3047, 42182), (3542, 36287), (3878, 33143), (6026, 21329), (6094, 21091), (6371, 20174), (10087, 12742)]