991567304

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:823

約数の個数: 128

約数和(自身を含む): 2405894400

約数和(自身を除く): 1414327096

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 67, 91, 104, 116, 134, 182, 203, 232, 268, 364, 377, 406, 469, 536, 701, 728, 754, 812, 871, 938, 1402, 1508, 1624, 1742, 1876, 1943, 2639, 2804, 3016, 3484, 3752, 3886, 4907, 5278, 5608, 6097, 6968, 7772, 9113, 9814, 10556, 12194, 13601, 15544, 18226, 19628, 20329, 21112, 24388, 25259, 27202, 36452, 39256, 40658, 46967, 48776, 50518, 54404, 63791, 72904, 81316, 93934, 101036, 108808, 127582, 142303, 162632, 176813, 187868, 202072, 255164, 264277, 284606, 328769, 353626, 375736, 510328, 528554, 569212, 610571, 657538, 707252, 1057108, 1138424, 1221142, 1315076, 1362043, 1414504, 1849939, 2114216, 2442284, 2630152, 2724086, 3699878, 4273997, 4884568, 5448172, 7399756, 8547994, 9534301, 10896344, 14799512, 17095988, 17706559, 19068602, 34191976, 35413118, 38137204, 70826236, 76274408, 123945913, 141652472, 247891826, 495783652, 991567304]

約数ペア:

[(1, 991567304), (2, 495783652), (4, 247891826), (7, 141652472), (8, 123945913), (13, 76274408), (14, 70826236), (26, 38137204), (28, 35413118), (29, 34191976), (52, 19068602), (56, 17706559), (58, 17095988), (67, 14799512), (91, 10896344), (104, 9534301), (116, 8547994), (134, 7399756), (182, 5448172), (203, 4884568), (232, 4273997), (268, 3699878), (364, 2724086), (377, 2630152), (406, 2442284), (469, 2114216), (536, 1849939), (701, 1414504), (728, 1362043), (754, 1315076), (812, 1221142), (871, 1138424), (938, 1057108), (1402, 707252), (1508, 657538), (1624, 610571), (1742, 569212), (1876, 528554), (1943, 510328), (2639, 375736), (2804, 353626), (3016, 328769), (3484, 284606), (3752, 264277), (3886, 255164), (4907, 202072), (5278, 187868), (5608, 176813), (6097, 162632), (6968, 142303), (7772, 127582), (9113, 108808), (9814, 101036), (10556, 93934), (12194, 81316), (13601, 72904), (15544, 63791), (18226, 54404), (19628, 50518), (20329, 48776), (21112, 46967), (24388, 40658), (25259, 39256), (27202, 36452)]