1971263756

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 4618951680

約数和(自身を除く): 2647687924

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 113, 121, 133, 154, 209, 226, 242, 266, 271, 308, 418, 452, 484, 532, 542, 791, 836, 847, 1084, 1243, 1463, 1582, 1694, 1897, 2147, 2299, 2486, 2926, 2981, 3164, 3388, 3794, 4294, 4598, 4972, 5149, 5852, 5962, 7588, 8588, 8701, 9196, 10298, 11924, 13673, 15029, 16093, 17402, 20596, 20867, 23617, 27346, 30058, 30623, 32186, 32791, 34804, 36043, 41734, 47234, 54692, 56639, 60116, 61246, 64372, 65582, 72086, 83468, 94468, 95711, 113278, 122492, 131164, 144172, 165319, 191422, 214361, 226556, 229537, 259787, 330638, 336853, 382844, 396473, 428722, 459074, 519574, 581837, 623029, 661276, 673706, 792946, 857444, 918148, 1039148, 1163674, 1246058, 1347412, 1585892, 1818509, 2327348, 2357971, 2492116, 3637018, 3705383, 4072859, 4361203, 4715942, 6400207, 7274036, 7410766, 8145718, 8722406, 9431884, 12800414, 14821532, 16291436, 17444812, 25600828, 25937681, 44801449, 51875362, 70402277, 89602898, 103750724, 140804554, 179205796, 281609108, 492815939, 985631878, 1971263756]

約数ペア:

[(1, 1971263756), (2, 985631878), (4, 492815939), (7, 281609108), (11, 179205796), (14, 140804554), (19, 103750724), (22, 89602898), (28, 70402277), (38, 51875362), (44, 44801449), (76, 25937681), (77, 25600828), (113, 17444812), (121, 16291436), (133, 14821532), (154, 12800414), (209, 9431884), (226, 8722406), (242, 8145718), (266, 7410766), (271, 7274036), (308, 6400207), (418, 4715942), (452, 4361203), (484, 4072859), (532, 3705383), (542, 3637018), (791, 2492116), (836, 2357971), (847, 2327348), (1084, 1818509), (1243, 1585892), (1463, 1347412), (1582, 1246058), (1694, 1163674), (1897, 1039148), (2147, 918148), (2299, 857444), (2486, 792946), (2926, 673706), (2981, 661276), (3164, 623029), (3388, 581837), (3794, 519574), (4294, 459074), (4598, 428722), (4972, 396473), (5149, 382844), (5852, 336853), (5962, 330638), (7588, 259787), (8588, 229537), (8701, 226556), (9196, 214361), (10298, 191422), (11924, 165319), (13673, 144172), (15029, 131164), (16093, 122492), (17402, 113278), (20596, 95711), (20867, 94468), (23617, 83468), (27346, 72086), (30058, 65582), (30623, 64372), (32186, 61246), (32791, 60116), (34804, 56639), (36043, 54692), (41734, 47234)]