31746728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 68006400

約数和(自身を除く): 36259672

約数列:

[1, 2, 4, 8, 13, 26, 31, 43, 52, 62, 86, 104, 124, 172, 229, 248, 344, 403, 458, 559, 806, 916, 1118, 1333, 1612, 1832, 2236, 2666, 2977, 3224, 4472, 5332, 5954, 7099, 9847, 10664, 11908, 14198, 17329, 19694, 23816, 28396, 34658, 39388, 56792, 69316, 78776, 92287, 128011, 138632, 184574, 256022, 305257, 369148, 512044, 610514, 738296, 1024088, 1221028, 2442056, 3968341, 7936682, 15873364, 31746728]

約数ペア:

[(1, 31746728), (2, 15873364), (4, 7936682), (8, 3968341), (13, 2442056), (26, 1221028), (31, 1024088), (43, 738296), (52, 610514), (62, 512044), (86, 369148), (104, 305257), (124, 256022), (172, 184574), (229, 138632), (248, 128011), (344, 92287), (403, 78776), (458, 69316), (559, 56792), (806, 39388), (916, 34658), (1118, 28396), (1333, 23816), (1612, 19694), (1832, 17329), (2236, 14198), (2666, 11908), (2977, 10664), (3224, 9847), (4472, 7099), (5332, 5954)]