261631499558

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{8191}}^1$

素因数の和:8323

約数の個数: 96

約数和(自身を含む): 474062782464

約数和(自身を除く): 212431282906

約数列:

[1, 2, 11, 13, 22, 26, 71, 121, 142, 143, 169, 242, 286, 338, 781, 923, 1331, 1562, 1573, 1846, 1859, 2662, 3146, 3718, 8191, 8591, 10153, 11999, 16382, 17182, 17303, 20306, 20449, 23998, 34606, 40898, 90101, 94501, 106483, 111683, 131989, 180202, 189002, 212966, 223366, 224939, 263978, 449878, 581561, 991111, 1163122, 1171313, 1228513, 1384279, 1451879, 1982222, 2342626, 2457026, 2768558, 2903758, 6397171, 7560293, 10902221, 12794342, 12884443, 15120586, 15227069, 15970669, 21804442, 25768886, 30454138, 31941338, 70368881, 83163223, 98283809, 140737762, 141728873, 166326446, 167497759, 196567618, 283457746, 334995518, 774057691, 914795453, 1081121899, 1548115382, 1829590906, 1842475349, 2162243798, 3684950698, 10062749983, 11892340889, 20125499966, 23784681778, 130815749779, 261631499558]

約数ペア:

[(1, 261631499558), (2, 130815749779), (11, 23784681778), (13, 20125499966), (22, 11892340889), (26, 10062749983), (71, 3684950698), (121, 2162243798), (142, 1842475349), (143, 1829590906), (169, 1548115382), (242, 1081121899), (286, 914795453), (338, 774057691), (781, 334995518), (923, 283457746), (1331, 196567618), (1562, 167497759), (1573, 166326446), (1846, 141728873), (1859, 140737762), (2662, 98283809), (3146, 83163223), (3718, 70368881), (8191, 31941338), (8591, 30454138), (10153, 25768886), (11999, 21804442), (16382, 15970669), (17182, 15227069), (17303, 15120586), (20306, 12884443), (20449, 12794342), (23998, 10902221), (34606, 7560293), (40898, 6397171), (90101, 2903758), (94501, 2768558), (106483, 2457026), (111683, 2342626), (131989, 1982222), (180202, 1451879), (189002, 1384279), (212966, 1228513), (223366, 1171313), (224939, 1163122), (263978, 991111), (449878, 581561)]