198917576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 464486400

約数和(自身を除く): 265568824

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 71, 79, 88, 104, 124, 142, 143, 158, 248, 284, 286, 316, 341, 403, 568, 572, 632, 682, 781, 806, 869, 923, 1027, 1144, 1364, 1562, 1612, 1738, 1846, 2054, 2201, 2449, 2728, 3124, 3224, 3476, 3692, 4108, 4402, 4433, 4898, 5609, 6248, 6952, 7384, 8216, 8804, 8866, 9796, 10153, 11218, 11297, 17608, 17732, 19592, 20306, 22436, 22594, 24211, 26939, 28613, 31837, 35464, 40612, 44872, 45188, 48422, 53878, 57226, 61699, 63674, 72917, 81224, 90376, 96844, 107756, 114452, 123398, 127348, 145834, 173879, 193688, 215512, 228904, 246796, 254696, 291668, 314743, 347758, 350207, 493592, 583336, 629486, 695516, 700414, 802087, 1258972, 1391032, 1400828, 1604174, 1912669, 2260427, 2517944, 2801656, 3208348, 3825338, 4520854, 6416696, 7650676, 9041708, 15301352, 18083416, 24864697, 49729394, 99458788, 198917576]

約数ペア:

[(1, 198917576), (2, 99458788), (4, 49729394), (8, 24864697), (11, 18083416), (13, 15301352), (22, 9041708), (26, 7650676), (31, 6416696), (44, 4520854), (52, 3825338), (62, 3208348), (71, 2801656), (79, 2517944), (88, 2260427), (104, 1912669), (124, 1604174), (142, 1400828), (143, 1391032), (158, 1258972), (248, 802087), (284, 700414), (286, 695516), (316, 629486), (341, 583336), (403, 493592), (568, 350207), (572, 347758), (632, 314743), (682, 291668), (781, 254696), (806, 246796), (869, 228904), (923, 215512), (1027, 193688), (1144, 173879), (1364, 145834), (1562, 127348), (1612, 123398), (1738, 114452), (1846, 107756), (2054, 96844), (2201, 90376), (2449, 81224), (2728, 72917), (3124, 63674), (3224, 61699), (3476, 57226), (3692, 53878), (4108, 48422), (4402, 45188), (4433, 44872), (4898, 40612), (5609, 35464), (6248, 31837), (6952, 28613), (7384, 26939), (8216, 24211), (8804, 22594), (8866, 22436), (9796, 20306), (10153, 19592), (11218, 17732), (11297, 17608)]