81894790064

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{1721}}^1$

素因数の和:2055

約数の個数: 120

約数和(自身を含む): 173453492016

約数和(自身を除く): 91558701952

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 136, 164, 251, 272, 289, 328, 502, 578, 656, 697, 1004, 1156, 1394, 1721, 2008, 2312, 2788, 3442, 4016, 4267, 4624, 5576, 6884, 8534, 10291, 11152, 11849, 13768, 17068, 20582, 23698, 27536, 29257, 34136, 41164, 47396, 58514, 68272, 70561, 72539, 82328, 94792, 117028, 141122, 145078, 164656, 174947, 189584, 234056, 282244, 290156, 349894, 431971, 468112, 497369, 564488, 580312, 699788, 863942, 994738, 1128976, 1160624, 1199537, 1399576, 1727884, 1989476, 2399074, 2799152, 2974099, 3455768, 3978952, 4798148, 5948198, 6911536, 7343507, 7957904, 9596296, 11896396, 14687014, 17710811, 19192592, 20392129, 23792792, 29374028, 35421622, 40784258, 47585584, 58748056, 70843244, 81568516, 117496112, 124839619, 141686488, 163137032, 249679238, 283372976, 301083787, 326274064, 499358476, 602167574, 998716952, 1204335148, 1997433904, 2408670296, 4817340592, 5118424379, 10236848758, 20473697516, 40947395032, 81894790064]

約数ペア:

[(1, 81894790064), (2, 40947395032), (4, 20473697516), (8, 10236848758), (16, 5118424379), (17, 4817340592), (34, 2408670296), (41, 1997433904), (68, 1204335148), (82, 998716952), (136, 602167574), (164, 499358476), (251, 326274064), (272, 301083787), (289, 283372976), (328, 249679238), (502, 163137032), (578, 141686488), (656, 124839619), (697, 117496112), (1004, 81568516), (1156, 70843244), (1394, 58748056), (1721, 47585584), (2008, 40784258), (2312, 35421622), (2788, 29374028), (3442, 23792792), (4016, 20392129), (4267, 19192592), (4624, 17710811), (5576, 14687014), (6884, 11896396), (8534, 9596296), (10291, 7957904), (11152, 7343507), (11849, 6911536), (13768, 5948198), (17068, 4798148), (20582, 3978952), (23698, 3455768), (27536, 2974099), (29257, 2799152), (34136, 2399074), (41164, 1989476), (47396, 1727884), (58514, 1399576), (68272, 1199537), (70561, 1160624), (72539, 1128976), (82328, 994738), (94792, 863942), (117028, 699788), (141122, 580312), (145078, 564488), (164656, 497369), (174947, 468112), (189584, 431971), (234056, 349894), (282244, 290156)]