128707908

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 377524224

約数和(自身を除く): 248816316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 31, 42, 46, 49, 62, 69, 84, 92, 93, 98, 124, 138, 147, 161, 186, 196, 217, 276, 294, 307, 322, 372, 434, 483, 588, 614, 644, 651, 713, 868, 921, 966, 1127, 1228, 1302, 1426, 1519, 1842, 1932, 2139, 2149, 2254, 2604, 2852, 3038, 3381, 3684, 4278, 4298, 4508, 4557, 4991, 6076, 6447, 6762, 7061, 8556, 8596, 9114, 9517, 9982, 12894, 13524, 14122, 14973, 15043, 18228, 19034, 19964, 21183, 25788, 28244, 28551, 29946, 30086, 34937, 38068, 42366, 45129, 49427, 57102, 59892, 60172, 66619, 69874, 84732, 90258, 98854, 104811, 114204, 133238, 139748, 148281, 180516, 197708, 199857, 209622, 218891, 266476, 296562, 345989, 399714, 419244, 437782, 466333, 593124, 656673, 691978, 799428, 875564, 932666, 1037967, 1313346, 1383956, 1398999, 1532237, 1865332, 2075934, 2626692, 2797998, 3064474, 4151868, 4596711, 5595996, 6128948, 9193422, 10725659, 18386844, 21451318, 32176977, 42902636, 64353954, 128707908]

約数ペア:

[(1, 128707908), (2, 64353954), (3, 42902636), (4, 32176977), (6, 21451318), (7, 18386844), (12, 10725659), (14, 9193422), (21, 6128948), (23, 5595996), (28, 4596711), (31, 4151868), (42, 3064474), (46, 2797998), (49, 2626692), (62, 2075934), (69, 1865332), (84, 1532237), (92, 1398999), (93, 1383956), (98, 1313346), (124, 1037967), (138, 932666), (147, 875564), (161, 799428), (186, 691978), (196, 656673), (217, 593124), (276, 466333), (294, 437782), (307, 419244), (322, 399714), (372, 345989), (434, 296562), (483, 266476), (588, 218891), (614, 209622), (644, 199857), (651, 197708), (713, 180516), (868, 148281), (921, 139748), (966, 133238), (1127, 114204), (1228, 104811), (1302, 98854), (1426, 90258), (1519, 84732), (1842, 69874), (1932, 66619), (2139, 60172), (2149, 59892), (2254, 57102), (2604, 49427), (2852, 45129), (3038, 42366), (3381, 38068), (3684, 34937), (4278, 30086), (4298, 29946), (4508, 28551), (4557, 28244), (4991, 25788), (6076, 21183), (6447, 19964), (6762, 19034), (7061, 18228), (8556, 15043), (8596, 14973), (9114, 14122), (9517, 13524), (9982, 12894)]