181694968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 442552320

約数和(自身を除く): 260857352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 83, 91, 97, 104, 124, 166, 182, 194, 217, 248, 332, 364, 388, 403, 434, 581, 664, 679, 728, 776, 806, 868, 1079, 1162, 1261, 1358, 1612, 1736, 2158, 2324, 2522, 2573, 2716, 2821, 3007, 3224, 4316, 4648, 5044, 5146, 5432, 5642, 6014, 7553, 8051, 8632, 8827, 10088, 10292, 11284, 12028, 15106, 16102, 17654, 18011, 20584, 21049, 22568, 24056, 30212, 32204, 33449, 35308, 36022, 39091, 42098, 56357, 60424, 64408, 66898, 70616, 72044, 78182, 84196, 104663, 112714, 133796, 144088, 156364, 168392, 209326, 225428, 234143, 249581, 267592, 273637, 312728, 418652, 450856, 468286, 499162, 547274, 732641, 837304, 936572, 998324, 1094548, 1465282, 1747067, 1873144, 1996648, 2189096, 2930564, 3244553, 3494134, 5861128, 6489106, 6988268, 12978212, 13976536, 22711871, 25956424, 45423742, 90847484, 181694968]

約数ペア:

[(1, 181694968), (2, 90847484), (4, 45423742), (7, 25956424), (8, 22711871), (13, 13976536), (14, 12978212), (26, 6988268), (28, 6489106), (31, 5861128), (52, 3494134), (56, 3244553), (62, 2930564), (83, 2189096), (91, 1996648), (97, 1873144), (104, 1747067), (124, 1465282), (166, 1094548), (182, 998324), (194, 936572), (217, 837304), (248, 732641), (332, 547274), (364, 499162), (388, 468286), (403, 450856), (434, 418652), (581, 312728), (664, 273637), (679, 267592), (728, 249581), (776, 234143), (806, 225428), (868, 209326), (1079, 168392), (1162, 156364), (1261, 144088), (1358, 133796), (1612, 112714), (1736, 104663), (2158, 84196), (2324, 78182), (2522, 72044), (2573, 70616), (2716, 66898), (2821, 64408), (3007, 60424), (3224, 56357), (4316, 42098), (4648, 39091), (5044, 36022), (5146, 35308), (5432, 33449), (5642, 32204), (6014, 30212), (7553, 24056), (8051, 22568), (8632, 21049), (8827, 20584), (10088, 18011), (10292, 17654), (11284, 16102), (12028, 15106)]