51947478

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 138928608

約数和(自身を除く): 86981130

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 23, 33, 34, 46, 51, 61, 66, 69, 99, 102, 121, 122, 138, 153, 183, 187, 198, 207, 242, 253, 306, 363, 366, 374, 391, 414, 506, 549, 561, 671, 726, 759, 782, 1037, 1089, 1098, 1122, 1173, 1342, 1403, 1518, 1683, 2013, 2057, 2074, 2178, 2277, 2346, 2783, 2806, 3111, 3366, 3519, 4026, 4114, 4209, 4301, 4554, 5566, 6039, 6171, 6222, 7038, 7381, 8349, 8418, 8602, 9333, 11407, 12078, 12342, 12627, 12903, 14762, 15433, 16698, 18513, 18666, 22143, 22814, 23851, 25047, 25254, 25806, 30866, 34221, 37026, 38709, 44286, 46299, 47311, 47702, 50094, 66429, 68442, 71553, 77418, 92598, 94622, 102663, 125477, 132858, 138897, 141933, 143106, 169763, 205326, 214659, 250954, 262361, 277794, 283866, 339526, 376431, 425799, 429318, 509289, 524722, 752862, 787083, 851598, 1018578, 1129293, 1527867, 1574166, 2258586, 2361249, 2885971, 3055734, 4722498, 5771942, 8657913, 17315826, 25973739, 51947478]

約数ペア:

[(1, 51947478), (2, 25973739), (3, 17315826), (6, 8657913), (9, 5771942), (11, 4722498), (17, 3055734), (18, 2885971), (22, 2361249), (23, 2258586), (33, 1574166), (34, 1527867), (46, 1129293), (51, 1018578), (61, 851598), (66, 787083), (69, 752862), (99, 524722), (102, 509289), (121, 429318), (122, 425799), (138, 376431), (153, 339526), (183, 283866), (187, 277794), (198, 262361), (207, 250954), (242, 214659), (253, 205326), (306, 169763), (363, 143106), (366, 141933), (374, 138897), (391, 132858), (414, 125477), (506, 102663), (549, 94622), (561, 92598), (671, 77418), (726, 71553), (759, 68442), (782, 66429), (1037, 50094), (1089, 47702), (1098, 47311), (1122, 46299), (1173, 44286), (1342, 38709), (1403, 37026), (1518, 34221), (1683, 30866), (2013, 25806), (2057, 25254), (2074, 25047), (2178, 23851), (2277, 22814), (2346, 22143), (2783, 18666), (2806, 18513), (3111, 16698), (3366, 15433), (3519, 14762), (4026, 12903), (4114, 12627), (4209, 12342), (4301, 12078), (4554, 11407), (5566, 9333), (6039, 8602), (6171, 8418), (6222, 8349), (7038, 7381)]