51367888

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 90

約数和(自身を含む): 119212422

約数和(自身を除く): 67844534

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 121, 143, 157, 169, 176, 208, 242, 286, 314, 338, 484, 572, 628, 676, 968, 1144, 1256, 1352, 1573, 1727, 1859, 1936, 2041, 2288, 2512, 2704, 3146, 3454, 3718, 4082, 6292, 6908, 7436, 8164, 12584, 13816, 14872, 16328, 18997, 20449, 22451, 25168, 26533, 27632, 29744, 32656, 37994, 40898, 44902, 53066, 75988, 81796, 89804, 106132, 151976, 163592, 179608, 212264, 246961, 291863, 303952, 327184, 359216, 424528, 493922, 583726, 987844, 1167452, 1975688, 2334904, 3210493, 3951376, 4669808, 6420986, 12841972, 25683944, 51367888]

約数ペア:

[(1, 51367888), (2, 25683944), (4, 12841972), (8, 6420986), (11, 4669808), (13, 3951376), (16, 3210493), (22, 2334904), (26, 1975688), (44, 1167452), (52, 987844), (88, 583726), (104, 493922), (121, 424528), (143, 359216), (157, 327184), (169, 303952), (176, 291863), (208, 246961), (242, 212264), (286, 179608), (314, 163592), (338, 151976), (484, 106132), (572, 89804), (628, 81796), (676, 75988), (968, 53066), (1144, 44902), (1256, 40898), (1352, 37994), (1573, 32656), (1727, 29744), (1859, 27632), (1936, 26533), (2041, 25168), (2288, 22451), (2512, 20449), (2704, 18997), (3146, 16328), (3454, 14872), (3718, 13816), (4082, 12584), (6292, 8164), (6908, 7436)]