806923208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 1929312000

約数和(自身を除く): 1122388792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 149, 172, 173, 182, 298, 301, 344, 346, 364, 559, 596, 602, 692, 728, 1043, 1118, 1192, 1204, 1211, 1384, 1937, 2086, 2236, 2249, 2408, 2422, 3874, 3913, 4172, 4472, 4498, 4844, 6407, 7439, 7748, 7826, 8344, 8996, 9688, 12814, 13559, 14878, 15496, 15652, 15743, 17992, 25628, 25777, 27118, 29756, 31304, 31486, 44849, 51256, 51554, 52073, 54236, 59512, 62972, 83291, 89698, 96707, 103108, 104146, 108472, 125944, 166582, 179396, 180439, 193414, 206216, 208292, 333164, 335101, 358792, 360878, 386828, 416584, 583037, 666328, 670202, 676949, 721756, 773656, 1108411, 1166074, 1340404, 1353898, 1443512, 2216822, 2332148, 2345707, 2680808, 2707796, 4433644, 4664296, 4691414, 5415592, 7758877, 8867288, 9382828, 14409343, 15517754, 18765656, 28818686, 31035508, 57637372, 62071016, 100865401, 115274744, 201730802, 403461604, 806923208]

約数ペア:

[(1, 806923208), (2, 403461604), (4, 201730802), (7, 115274744), (8, 100865401), (13, 62071016), (14, 57637372), (26, 31035508), (28, 28818686), (43, 18765656), (52, 15517754), (56, 14409343), (86, 9382828), (91, 8867288), (104, 7758877), (149, 5415592), (172, 4691414), (173, 4664296), (182, 4433644), (298, 2707796), (301, 2680808), (344, 2345707), (346, 2332148), (364, 2216822), (559, 1443512), (596, 1353898), (602, 1340404), (692, 1166074), (728, 1108411), (1043, 773656), (1118, 721756), (1192, 676949), (1204, 670202), (1211, 666328), (1384, 583037), (1937, 416584), (2086, 386828), (2236, 360878), (2249, 358792), (2408, 335101), (2422, 333164), (3874, 208292), (3913, 206216), (4172, 193414), (4472, 180439), (4498, 179396), (4844, 166582), (6407, 125944), (7439, 108472), (7748, 104146), (7826, 103108), (8344, 96707), (8996, 89698), (9688, 83291), (12814, 62972), (13559, 59512), (14878, 54236), (15496, 52073), (15652, 51554), (15743, 51256), (17992, 44849), (25628, 31486), (25777, 31304), (27118, 29756)]