31183768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 79626240

約数和(自身を除く): 48442472

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 31, 44, 46, 56, 62, 71, 77, 88, 92, 124, 142, 154, 161, 184, 217, 248, 253, 284, 308, 322, 341, 434, 497, 506, 568, 616, 644, 682, 713, 781, 868, 994, 1012, 1288, 1364, 1426, 1562, 1633, 1736, 1771, 1988, 2024, 2201, 2387, 2728, 2852, 3124, 3266, 3542, 3976, 4402, 4774, 4991, 5467, 5704, 6248, 6532, 7084, 7843, 8804, 9548, 9982, 10934, 11431, 13064, 14168, 15407, 15686, 17608, 17963, 19096, 19964, 21868, 22862, 24211, 30814, 31372, 35926, 39928, 43736, 45724, 48422, 50623, 54901, 61628, 62744, 71852, 91448, 96844, 101246, 109802, 123256, 125741, 143704, 169477, 193688, 202492, 219604, 251482, 338954, 354361, 404984, 439208, 502964, 556853, 677908, 708722, 1005928, 1113706, 1355816, 1417444, 2227412, 2834888, 3897971, 4454824, 7795942, 15591884, 31183768]

約数ペア:

[(1, 31183768), (2, 15591884), (4, 7795942), (7, 4454824), (8, 3897971), (11, 2834888), (14, 2227412), (22, 1417444), (23, 1355816), (28, 1113706), (31, 1005928), (44, 708722), (46, 677908), (56, 556853), (62, 502964), (71, 439208), (77, 404984), (88, 354361), (92, 338954), (124, 251482), (142, 219604), (154, 202492), (161, 193688), (184, 169477), (217, 143704), (248, 125741), (253, 123256), (284, 109802), (308, 101246), (322, 96844), (341, 91448), (434, 71852), (497, 62744), (506, 61628), (568, 54901), (616, 50623), (644, 48422), (682, 45724), (713, 43736), (781, 39928), (868, 35926), (994, 31372), (1012, 30814), (1288, 24211), (1364, 22862), (1426, 21868), (1562, 19964), (1633, 19096), (1736, 17963), (1771, 17608), (1988, 15686), (2024, 15407), (2201, 14168), (2387, 13064), (2728, 11431), (2852, 10934), (3124, 9982), (3266, 9548), (3542, 8804), (3976, 7843), (4402, 7084), (4774, 6532), (4991, 6248), (5467, 5704)]