205156784

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1039}}^1$

素因数の和:1138

約数の個数: 80

約数和(自身を含む): 476636160

約数和(自身を除く): 271479376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 43, 56, 82, 86, 112, 164, 172, 287, 301, 328, 344, 574, 602, 656, 688, 1039, 1148, 1204, 1763, 2078, 2296, 2408, 3526, 4156, 4592, 4816, 7052, 7273, 8312, 12341, 14104, 14546, 16624, 24682, 28208, 29092, 42599, 44677, 49364, 58184, 85198, 89354, 98728, 116368, 170396, 178708, 197456, 298193, 312739, 340792, 357416, 596386, 625478, 681584, 714832, 1192772, 1250956, 1831757, 2385544, 2501912, 3663514, 4771088, 5003824, 7327028, 12822299, 14654056, 25644598, 29308112, 51289196, 102578392, 205156784]

約数ペア:

[(1, 205156784), (2, 102578392), (4, 51289196), (7, 29308112), (8, 25644598), (14, 14654056), (16, 12822299), (28, 7327028), (41, 5003824), (43, 4771088), (56, 3663514), (82, 2501912), (86, 2385544), (112, 1831757), (164, 1250956), (172, 1192772), (287, 714832), (301, 681584), (328, 625478), (344, 596386), (574, 357416), (602, 340792), (656, 312739), (688, 298193), (1039, 197456), (1148, 178708), (1204, 170396), (1763, 116368), (2078, 98728), (2296, 89354), (2408, 85198), (3526, 58184), (4156, 49364), (4592, 44677), (4816, 42599), (7052, 29092), (7273, 28208), (8312, 24682), (12341, 16624), (14104, 14546)]