71297776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 159141600

約数和(自身を除く): 87843824

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 61, 88, 116, 122, 176, 229, 232, 244, 319, 458, 464, 488, 638, 671, 916, 976, 1276, 1342, 1769, 1832, 2519, 2552, 2684, 3538, 3664, 5038, 5104, 5368, 6641, 7076, 10076, 10736, 13282, 13969, 14152, 19459, 20152, 26564, 27938, 28304, 38918, 40304, 53128, 55876, 73051, 77836, 106256, 111752, 146102, 153659, 155672, 223504, 292204, 307318, 311344, 405101, 584408, 614636, 810202, 1168816, 1229272, 1620404, 2458544, 3240808, 4456111, 6481616, 8912222, 17824444, 35648888, 71297776]

約数ペア:

[(1, 71297776), (2, 35648888), (4, 17824444), (8, 8912222), (11, 6481616), (16, 4456111), (22, 3240808), (29, 2458544), (44, 1620404), (58, 1229272), (61, 1168816), (88, 810202), (116, 614636), (122, 584408), (176, 405101), (229, 311344), (232, 307318), (244, 292204), (319, 223504), (458, 155672), (464, 153659), (488, 146102), (638, 111752), (671, 106256), (916, 77836), (976, 73051), (1276, 55876), (1342, 53128), (1769, 40304), (1832, 38918), (2519, 28304), (2552, 27938), (2684, 26564), (3538, 20152), (3664, 19459), (5038, 14152), (5104, 13969), (5368, 13282), (6641, 10736), (7076, 10076)]