81296488

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 199584000

約数和(自身を除く): 118287512

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 49, 52, 53, 56, 86, 91, 98, 104, 106, 172, 182, 196, 212, 301, 343, 344, 364, 371, 392, 424, 559, 602, 637, 686, 689, 728, 742, 1118, 1204, 1274, 1372, 1378, 1484, 2107, 2236, 2279, 2408, 2548, 2597, 2744, 2756, 2968, 3913, 4214, 4459, 4472, 4558, 4823, 5096, 5194, 5512, 7826, 8428, 8918, 9116, 9646, 10388, 14749, 15652, 15953, 16856, 17836, 18179, 18232, 19292, 20776, 27391, 29498, 29627, 31304, 31906, 33761, 35672, 36358, 38584, 54782, 58996, 59254, 63812, 67522, 72716, 109564, 111671, 117992, 118508, 127624, 135044, 145432, 191737, 207389, 219128, 223342, 236327, 237016, 270088, 383474, 414778, 446684, 472654, 766948, 781697, 829556, 893368, 945308, 1451723, 1533896, 1563394, 1659112, 1890616, 2903446, 3126788, 5806892, 6253576, 10162061, 11613784, 20324122, 40648244, 81296488]

約数ペア:

[(1, 81296488), (2, 40648244), (4, 20324122), (7, 11613784), (8, 10162061), (13, 6253576), (14, 5806892), (26, 3126788), (28, 2903446), (43, 1890616), (49, 1659112), (52, 1563394), (53, 1533896), (56, 1451723), (86, 945308), (91, 893368), (98, 829556), (104, 781697), (106, 766948), (172, 472654), (182, 446684), (196, 414778), (212, 383474), (301, 270088), (343, 237016), (344, 236327), (364, 223342), (371, 219128), (392, 207389), (424, 191737), (559, 145432), (602, 135044), (637, 127624), (686, 118508), (689, 117992), (728, 111671), (742, 109564), (1118, 72716), (1204, 67522), (1274, 63812), (1372, 59254), (1378, 58996), (1484, 54782), (2107, 38584), (2236, 36358), (2279, 35672), (2408, 33761), (2548, 31906), (2597, 31304), (2744, 29627), (2756, 29498), (2968, 27391), (3913, 20776), (4214, 19292), (4459, 18232), (4472, 18179), (4558, 17836), (4823, 16856), (5096, 15953), (5194, 15652), (5512, 14749), (7826, 10388), (8428, 9646), (8918, 9116)]