388996839

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 777872160

約数和(自身を除く): 388875321

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 53, 63, 77, 89, 99, 119, 147, 153, 159, 187, 231, 267, 357, 371, 441, 477, 539, 561, 583, 623, 693, 801, 833, 901, 979, 1071, 1113, 1309, 1513, 1617, 1683, 1749, 1869, 2499, 2597, 2703, 2937, 3339, 3927, 4081, 4361, 4539, 4717, 4851, 5247, 5607, 6307, 6853, 7497, 7791, 8109, 8811, 9163, 9911, 10591, 11781, 12243, 13083, 13617, 14151, 16643, 18921, 20559, 23373, 27489, 28567, 29733, 31773, 33019, 36729, 39249, 42453, 44149, 47971, 49929, 51887, 56763, 61677, 69377, 74137, 80189, 82467, 85701, 89199, 95319, 99057, 116501, 132447, 143913, 149787, 155661, 208131, 222411, 231133, 240567, 257103, 297171, 349503, 363209, 397341, 431739, 466983, 485639, 561323, 624393, 667233, 693399, 721701, 815507, 882079, 1048509, 1089627, 1456917, 1683969, 2080197, 2446521, 2542463, 2646237, 3268881, 3929261, 4370751, 5051907, 6174553, 7339563, 7627389, 7938711, 11787783, 18523659, 22882167, 35363349, 43221871, 55570977, 129665613, 388996839]

約数ペア:

[(1, 388996839), (3, 129665613), (7, 55570977), (9, 43221871), (11, 35363349), (17, 22882167), (21, 18523659), (33, 11787783), (49, 7938711), (51, 7627389), (53, 7339563), (63, 6174553), (77, 5051907), (89, 4370751), (99, 3929261), (119, 3268881), (147, 2646237), (153, 2542463), (159, 2446521), (187, 2080197), (231, 1683969), (267, 1456917), (357, 1089627), (371, 1048509), (441, 882079), (477, 815507), (539, 721701), (561, 693399), (583, 667233), (623, 624393), (693, 561323), (801, 485639), (833, 466983), (901, 431739), (979, 397341), (1071, 363209), (1113, 349503), (1309, 297171), (1513, 257103), (1617, 240567), (1683, 231133), (1749, 222411), (1869, 208131), (2499, 155661), (2597, 149787), (2703, 143913), (2937, 132447), (3339, 116501), (3927, 99057), (4081, 95319), (4361, 89199), (4539, 85701), (4717, 82467), (4851, 80189), (5247, 74137), (5607, 69377), (6307, 61677), (6853, 56763), (7497, 51887), (7791, 49929), (8109, 47971), (8811, 44149), (9163, 42453), (9911, 39249), (10591, 36729), (11781, 33019), (12243, 31773), (13083, 29733), (13617, 28567), (14151, 27489), (16643, 23373), (18921, 20559)]