251679708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 766112256

約数和(自身を除く): 514432548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 173, 207, 251, 252, 276, 322, 346, 414, 483, 502, 519, 644, 692, 753, 828, 966, 1004, 1038, 1211, 1449, 1506, 1557, 1757, 1932, 2076, 2259, 2422, 2898, 3012, 3114, 3514, 3633, 3979, 4518, 4844, 5271, 5773, 5796, 6228, 7028, 7266, 7958, 9036, 10542, 10899, 11546, 11937, 14532, 15813, 15916, 17319, 21084, 21798, 23092, 23874, 27853, 31626, 34638, 35811, 40411, 43423, 43596, 47748, 51957, 55706, 63252, 69276, 71622, 80822, 83559, 86846, 103914, 111412, 121233, 130269, 143244, 161644, 167118, 173692, 207828, 242466, 250677, 260538, 303961, 334236, 363699, 390807, 484932, 501354, 521076, 607922, 727398, 781614, 911883, 998729, 1002708, 1215844, 1454796, 1563228, 1823766, 1997458, 2735649, 2996187, 3647532, 3994916, 5471298, 5992374, 6991103, 8988561, 10942596, 11984748, 13982206, 17977122, 20973309, 27964412, 35954244, 41946618, 62919927, 83893236, 125839854, 251679708]

約数ペア:

[(1, 251679708), (2, 125839854), (3, 83893236), (4, 62919927), (6, 41946618), (7, 35954244), (9, 27964412), (12, 20973309), (14, 17977122), (18, 13982206), (21, 11984748), (23, 10942596), (28, 8988561), (36, 6991103), (42, 5992374), (46, 5471298), (63, 3994916), (69, 3647532), (84, 2996187), (92, 2735649), (126, 1997458), (138, 1823766), (161, 1563228), (173, 1454796), (207, 1215844), (251, 1002708), (252, 998729), (276, 911883), (322, 781614), (346, 727398), (414, 607922), (483, 521076), (502, 501354), (519, 484932), (644, 390807), (692, 363699), (753, 334236), (828, 303961), (966, 260538), (1004, 250677), (1038, 242466), (1211, 207828), (1449, 173692), (1506, 167118), (1557, 161644), (1757, 143244), (1932, 130269), (2076, 121233), (2259, 111412), (2422, 103914), (2898, 86846), (3012, 83559), (3114, 80822), (3514, 71622), (3633, 69276), (3979, 63252), (4518, 55706), (4844, 51957), (5271, 47748), (5773, 43596), (5796, 43423), (6228, 40411), (7028, 35811), (7266, 34638), (7958, 31626), (9036, 27853), (10542, 23874), (10899, 23092), (11546, 21798), (11937, 21084), (14532, 17319), (15813, 15916)]