31228704

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 144

約数和(自身を含む): 100900800

約数和(自身を除く): 69672096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 288, 304, 312, 342, 416, 439, 456, 468, 494, 608, 624, 684, 741, 878, 912, 936, 988, 1248, 1317, 1368, 1482, 1756, 1824, 1872, 1976, 2223, 2634, 2736, 2964, 3512, 3744, 3951, 3952, 4446, 5268, 5472, 5707, 5928, 7024, 7902, 7904, 8341, 8892, 10536, 11414, 11856, 14048, 15804, 16682, 17121, 17784, 21072, 22828, 23712, 25023, 31608, 33364, 34242, 35568, 42144, 45656, 50046, 51363, 63216, 66728, 68484, 71136, 75069, 91312, 100092, 102726, 108433, 126432, 133456, 136968, 150138, 182624, 200184, 205452, 216866, 266912, 273936, 300276, 325299, 400368, 410904, 433732, 547872, 600552, 650598, 800736, 821808, 867464, 975897, 1201104, 1301196, 1643616, 1734928, 1951794, 2402208, 2602392, 3469856, 3903588, 5204784, 7807176, 10409568, 15614352, 31228704]

約数ペア:

[(1, 31228704), (2, 15614352), (3, 10409568), (4, 7807176), (6, 5204784), (8, 3903588), (9, 3469856), (12, 2602392), (13, 2402208), (16, 1951794), (18, 1734928), (19, 1643616), (24, 1301196), (26, 1201104), (32, 975897), (36, 867464), (38, 821808), (39, 800736), (48, 650598), (52, 600552), (57, 547872), (72, 433732), (76, 410904), (78, 400368), (96, 325299), (104, 300276), (114, 273936), (117, 266912), (144, 216866), (152, 205452), (156, 200184), (171, 182624), (208, 150138), (228, 136968), (234, 133456), (247, 126432), (288, 108433), (304, 102726), (312, 100092), (342, 91312), (416, 75069), (439, 71136), (456, 68484), (468, 66728), (494, 63216), (608, 51363), (624, 50046), (684, 45656), (741, 42144), (878, 35568), (912, 34242), (936, 33364), (988, 31608), (1248, 25023), (1317, 23712), (1368, 22828), (1482, 21072), (1756, 17784), (1824, 17121), (1872, 16682), (1976, 15804), (2223, 14048), (2634, 11856), (2736, 11414), (2964, 10536), (3512, 8892), (3744, 8341), (3951, 7904), (3952, 7902), (4446, 7024), (5268, 5928), (5472, 5707)]