265986448

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 671956992

約数和(自身を除く): 405970544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 71, 83, 91, 104, 112, 124, 142, 166, 182, 208, 217, 248, 284, 332, 364, 403, 434, 496, 497, 568, 581, 664, 728, 806, 868, 923, 994, 1079, 1136, 1162, 1328, 1456, 1612, 1736, 1846, 1988, 2158, 2201, 2324, 2573, 2821, 3224, 3472, 3692, 3976, 4316, 4402, 4648, 5146, 5642, 5893, 6448, 6461, 7384, 7553, 7952, 8632, 8804, 9296, 10292, 11284, 11786, 12922, 14768, 15106, 15407, 17264, 17608, 18011, 20584, 22568, 23572, 25844, 28613, 30212, 30814, 33449, 35216, 36022, 41168, 41251, 45136, 47144, 51688, 57226, 60424, 61628, 66898, 72044, 76609, 82502, 94288, 103376, 114452, 120848, 123256, 133796, 144088, 153218, 165004, 182683, 200291, 228904, 234143, 246512, 267592, 288176, 306436, 330008, 365366, 400582, 457808, 468286, 535184, 536263, 612872, 660016, 730732, 801164, 936572, 1072526, 1225744, 1278781, 1461464, 1602328, 1873144, 2145052, 2374879, 2557562, 2922928, 3204656, 3746288, 4290104, 4749758, 5115124, 8580208, 9499516, 10230248, 16624153, 18999032, 20460496, 33248306, 37998064, 66496612, 132993224, 265986448]

約数ペア:

[(1, 265986448), (2, 132993224), (4, 66496612), (7, 37998064), (8, 33248306), (13, 20460496), (14, 18999032), (16, 16624153), (26, 10230248), (28, 9499516), (31, 8580208), (52, 5115124), (56, 4749758), (62, 4290104), (71, 3746288), (83, 3204656), (91, 2922928), (104, 2557562), (112, 2374879), (124, 2145052), (142, 1873144), (166, 1602328), (182, 1461464), (208, 1278781), (217, 1225744), (248, 1072526), (284, 936572), (332, 801164), (364, 730732), (403, 660016), (434, 612872), (496, 536263), (497, 535184), (568, 468286), (581, 457808), (664, 400582), (728, 365366), (806, 330008), (868, 306436), (923, 288176), (994, 267592), (1079, 246512), (1136, 234143), (1162, 228904), (1328, 200291), (1456, 182683), (1612, 165004), (1736, 153218), (1846, 144088), (1988, 133796), (2158, 123256), (2201, 120848), (2324, 114452), (2573, 103376), (2821, 94288), (3224, 82502), (3472, 76609), (3692, 72044), (3976, 66898), (4316, 61628), (4402, 60424), (4648, 57226), (5146, 51688), (5642, 47144), (5893, 45136), (6448, 41251), (6461, 41168), (7384, 36022), (7553, 35216), (7952, 33449), (8632, 30814), (8804, 30212), (9296, 28613), (10292, 25844), (11284, 23572), (11786, 22568), (12922, 20584), (14768, 18011), (15106, 17608), (15407, 17264)]