1991907216

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{5347}}^1$

素因数の和:5573

約数の個数: 120

約数和(自身を含む): 6034683200

約数和(自身を除く): 4042775984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 199, 208, 234, 312, 398, 468, 597, 624, 796, 936, 1194, 1592, 1791, 1872, 2388, 2587, 3184, 3582, 4776, 5174, 5347, 7164, 7761, 9552, 10348, 10694, 14328, 15522, 16041, 20696, 21388, 23283, 28656, 31044, 32082, 41392, 42776, 46566, 48123, 62088, 64164, 69511, 85552, 93132, 96246, 124176, 128328, 139022, 186264, 192492, 208533, 256656, 278044, 372528, 384984, 417066, 556088, 625599, 769968, 834132, 1064053, 1112176, 1251198, 1668264, 2128106, 2502396, 3192159, 3336528, 4256212, 5004792, 6384318, 8512424, 9576477, 10009584, 12768636, 13832689, 17024848, 19152954, 25537272, 27665378, 38305908, 41498067, 51074544, 55330756, 76611816, 82996134, 110661512, 124494201, 153223632, 165992268, 221323024, 248988402, 331984536, 497976804, 663969072, 995953608, 1991907216]

約数ペア:

[(1, 1991907216), (2, 995953608), (3, 663969072), (4, 497976804), (6, 331984536), (8, 248988402), (9, 221323024), (12, 165992268), (13, 153223632), (16, 124494201), (18, 110661512), (24, 82996134), (26, 76611816), (36, 55330756), (39, 51074544), (48, 41498067), (52, 38305908), (72, 27665378), (78, 25537272), (104, 19152954), (117, 17024848), (144, 13832689), (156, 12768636), (199, 10009584), (208, 9576477), (234, 8512424), (312, 6384318), (398, 5004792), (468, 4256212), (597, 3336528), (624, 3192159), (796, 2502396), (936, 2128106), (1194, 1668264), (1592, 1251198), (1791, 1112176), (1872, 1064053), (2388, 834132), (2587, 769968), (3184, 625599), (3582, 556088), (4776, 417066), (5174, 384984), (5347, 372528), (7164, 278044), (7761, 256656), (9552, 208533), (10348, 192492), (10694, 186264), (14328, 139022), (15522, 128328), (16041, 124176), (20696, 96246), (21388, 93132), (23283, 85552), (28656, 69511), (31044, 64164), (32082, 62088), (41392, 48123), (42776, 46566)]