217870198

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1051}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 432649728

約数和(自身を除く): 214779530

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 67, 91, 119, 134, 182, 221, 238, 442, 469, 871, 938, 1051, 1139, 1547, 1742, 2102, 2278, 3094, 6097, 7357, 7973, 12194, 13663, 14714, 14807, 15946, 17867, 27326, 29614, 35734, 70417, 95641, 103649, 125069, 140834, 191282, 207298, 232271, 250138, 464542, 492919, 915421, 985838, 1197089, 1625897, 1830842, 2394178, 3251794, 6407947, 8379623, 12815894, 15562157, 16759246, 31124314, 108935099, 217870198]

約数ペア:

[(1, 217870198), (2, 108935099), (7, 31124314), (13, 16759246), (14, 15562157), (17, 12815894), (26, 8379623), (34, 6407947), (67, 3251794), (91, 2394178), (119, 1830842), (134, 1625897), (182, 1197089), (221, 985838), (238, 915421), (442, 492919), (469, 464542), (871, 250138), (938, 232271), (1051, 207298), (1139, 191282), (1547, 140834), (1742, 125069), (2102, 103649), (2278, 95641), (3094, 70417), (6097, 35734), (7357, 29614), (7973, 27326), (12194, 17867), (13663, 15946), (14714, 14807)]