31407376

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 160

約数和(自身を含む): 85494528

約数和(自身を除く): 54087152

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 37, 44, 52, 53, 56, 74, 77, 88, 91, 104, 106, 112, 143, 148, 154, 176, 182, 208, 212, 259, 286, 296, 308, 364, 371, 407, 424, 481, 518, 572, 583, 592, 616, 689, 728, 742, 814, 848, 962, 1001, 1036, 1144, 1166, 1232, 1378, 1456, 1484, 1628, 1924, 1961, 2002, 2072, 2288, 2332, 2756, 2849, 2968, 3256, 3367, 3848, 3922, 4004, 4081, 4144, 4664, 4823, 5291, 5512, 5698, 5936, 6512, 6734, 7579, 7696, 7844, 8008, 8162, 9328, 9646, 10582, 11024, 11396, 13468, 13727, 15158, 15688, 16016, 16324, 19292, 21164, 21571, 22792, 25493, 26936, 27454, 30316, 31376, 32648, 37037, 38584, 42328, 43142, 45584, 50986, 53053, 53872, 54908, 60632, 65296, 74074, 77168, 84656, 86284, 101972, 106106, 109816, 121264, 148148, 150997, 172568, 178451, 203944, 212212, 219632, 280423, 296296, 301994, 345136, 356902, 407888, 424424, 560846, 592592, 603988, 713804, 848848, 1121692, 1207976, 1427608, 1962961, 2243384, 2415952, 2855216, 3925922, 4486768, 7851844, 15703688, 31407376]

約数ペア:

[(1, 31407376), (2, 15703688), (4, 7851844), (7, 4486768), (8, 3925922), (11, 2855216), (13, 2415952), (14, 2243384), (16, 1962961), (22, 1427608), (26, 1207976), (28, 1121692), (37, 848848), (44, 713804), (52, 603988), (53, 592592), (56, 560846), (74, 424424), (77, 407888), (88, 356902), (91, 345136), (104, 301994), (106, 296296), (112, 280423), (143, 219632), (148, 212212), (154, 203944), (176, 178451), (182, 172568), (208, 150997), (212, 148148), (259, 121264), (286, 109816), (296, 106106), (308, 101972), (364, 86284), (371, 84656), (407, 77168), (424, 74074), (481, 65296), (518, 60632), (572, 54908), (583, 53872), (592, 53053), (616, 50986), (689, 45584), (728, 43142), (742, 42328), (814, 38584), (848, 37037), (962, 32648), (1001, 31376), (1036, 30316), (1144, 27454), (1166, 26936), (1232, 25493), (1378, 22792), (1456, 21571), (1484, 21164), (1628, 19292), (1924, 16324), (1961, 16016), (2002, 15688), (2072, 15158), (2288, 13727), (2332, 13468), (2756, 11396), (2849, 11024), (2968, 10582), (3256, 9646), (3367, 9328), (3848, 8162), (3922, 8008), (4004, 7844), (4081, 7696), (4144, 7579), (4664, 6734), (4823, 6512), (5291, 5936), (5512, 5698)]