321136816

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20051}}^1$

素因数の和:20090

約数の個数: 80

約数和(自身を含む): 835446528

約数和(自身を除く): 514309712

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 8008, 16016, 20051, 40102, 80204, 140357, 160408, 220561, 260663, 280714, 320816, 441122, 521326, 561428, 882244, 1042652, 1122856, 1543927, 1764488, 1824641, 2085304, 2245712, 2867293, 3087854, 3528976, 3649282, 4170608, 5734586, 6175708, 7298564, 11469172, 12351416, 14597128, 20071051, 22938344, 24702832, 29194256, 40142102, 45876688, 80284204, 160568408, 321136816]

約数ペア:

[(1, 321136816), (2, 160568408), (4, 80284204), (7, 45876688), (8, 40142102), (11, 29194256), (13, 24702832), (14, 22938344), (16, 20071051), (22, 14597128), (26, 12351416), (28, 11469172), (44, 7298564), (52, 6175708), (56, 5734586), (77, 4170608), (88, 3649282), (91, 3528976), (104, 3087854), (112, 2867293), (143, 2245712), (154, 2085304), (176, 1824641), (182, 1764488), (208, 1543927), (286, 1122856), (308, 1042652), (364, 882244), (572, 561428), (616, 521326), (728, 441122), (1001, 320816), (1144, 280714), (1232, 260663), (1456, 220561), (2002, 160408), (2288, 140357), (4004, 80204), (8008, 40102), (16016, 20051)]