2640066

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 6604416

約数和(自身を除く): 3964350

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 66, 78, 102, 143, 181, 187, 221, 286, 362, 374, 429, 442, 543, 561, 663, 858, 1086, 1122, 1326, 1991, 2353, 2431, 3077, 3982, 4706, 4862, 5973, 6154, 7059, 7293, 9231, 11946, 14118, 14586, 18462, 25883, 33847, 40001, 51766, 67694, 77649, 80002, 101541, 120003, 155298, 203082, 240006, 440011, 880022, 1320033, 2640066]

約数ペア:

[(1, 2640066), (2, 1320033), (3, 880022), (6, 440011), (11, 240006), (13, 203082), (17, 155298), (22, 120003), (26, 101541), (33, 80002), (34, 77649), (39, 67694), (51, 51766), (66, 40001), (78, 33847), (102, 25883), (143, 18462), (181, 14586), (187, 14118), (221, 11946), (286, 9231), (362, 7293), (374, 7059), (429, 6154), (442, 5973), (543, 4862), (561, 4706), (663, 3982), (858, 3077), (1086, 2431), (1122, 2353), (1326, 1991)]