251642118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:362

約数の個数: 128

約数和(自身を含む): 660602880

約数和(自身を除く): 408960762

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 127, 133, 182, 191, 247, 254, 266, 273, 381, 382, 399, 494, 546, 573, 741, 762, 798, 889, 1146, 1337, 1482, 1651, 1729, 1778, 2413, 2483, 2667, 2674, 3302, 3458, 3629, 4011, 4826, 4953, 4966, 5187, 5334, 7239, 7258, 7449, 8022, 9906, 10374, 10887, 11557, 14478, 14898, 16891, 17381, 21774, 23114, 24257, 25403, 31369, 33782, 34671, 34762, 47177, 48514, 50673, 50806, 52143, 62738, 69342, 72771, 76209, 94107, 94354, 101346, 104286, 141531, 145542, 152418, 169799, 188214, 219583, 283062, 315341, 330239, 339598, 439166, 460883, 509397, 630682, 658749, 660478, 921766, 946023, 990717, 1018794, 1317498, 1382649, 1892046, 1981434, 2207387, 2765298, 3226181, 4414774, 5991479, 6452362, 6622161, 9678543, 11982958, 13244322, 17974437, 19357086, 35948874, 41940353, 83880706, 125821059, 251642118]

約数ペア:

[(1, 251642118), (2, 125821059), (3, 83880706), (6, 41940353), (7, 35948874), (13, 19357086), (14, 17974437), (19, 13244322), (21, 11982958), (26, 9678543), (38, 6622161), (39, 6452362), (42, 5991479), (57, 4414774), (78, 3226181), (91, 2765298), (114, 2207387), (127, 1981434), (133, 1892046), (182, 1382649), (191, 1317498), (247, 1018794), (254, 990717), (266, 946023), (273, 921766), (381, 660478), (382, 658749), (399, 630682), (494, 509397), (546, 460883), (573, 439166), (741, 339598), (762, 330239), (798, 315341), (889, 283062), (1146, 219583), (1337, 188214), (1482, 169799), (1651, 152418), (1729, 145542), (1778, 141531), (2413, 104286), (2483, 101346), (2667, 94354), (2674, 94107), (3302, 76209), (3458, 72771), (3629, 69342), (4011, 62738), (4826, 52143), (4953, 50806), (4966, 50673), (5187, 48514), (5334, 47177), (7239, 34762), (7258, 34671), (7449, 33782), (8022, 31369), (9906, 25403), (10374, 24257), (10887, 23114), (11557, 21774), (14478, 17381), (14898, 16891)]