7880154544

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{2857}}^1$

素因数の和:3138

約数の個数: 80

約数和(自身を含む): 16528842880

約数和(自身を除く): 8648688336

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 211, 304, 344, 422, 688, 817, 844, 1634, 1688, 2857, 3268, 3376, 4009, 5714, 6536, 8018, 9073, 11428, 13072, 16036, 18146, 22856, 32072, 36292, 45712, 54283, 64144, 72584, 108566, 122851, 145168, 172387, 217132, 245702, 344774, 434264, 491404, 602827, 689548, 868528, 982808, 1205654, 1379096, 1965616, 2334169, 2411308, 2758192, 4668338, 4822616, 9336676, 9645232, 11453713, 18673352, 22907426, 25921561, 37346704, 45814852, 51843122, 91629704, 103686244, 183259408, 207372488, 414744976, 492509659, 985019318, 1970038636, 3940077272, 7880154544]

約数ペア:

[(1, 7880154544), (2, 3940077272), (4, 1970038636), (8, 985019318), (16, 492509659), (19, 414744976), (38, 207372488), (43, 183259408), (76, 103686244), (86, 91629704), (152, 51843122), (172, 45814852), (211, 37346704), (304, 25921561), (344, 22907426), (422, 18673352), (688, 11453713), (817, 9645232), (844, 9336676), (1634, 4822616), (1688, 4668338), (2857, 2758192), (3268, 2411308), (3376, 2334169), (4009, 1965616), (5714, 1379096), (6536, 1205654), (8018, 982808), (9073, 868528), (11428, 689548), (13072, 602827), (16036, 491404), (18146, 434264), (22856, 344774), (32072, 245702), (36292, 217132), (45712, 172387), (54283, 145168), (64144, 122851), (72584, 108566)]