819890676

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 2321294976

約数和(自身を除く): 1501404300

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 121, 132, 142, 198, 213, 241, 242, 284, 363, 396, 426, 482, 484, 639, 723, 726, 781, 852, 964, 1089, 1278, 1331, 1446, 1452, 1562, 2169, 2178, 2343, 2556, 2651, 2662, 2892, 3124, 3993, 4338, 4356, 4686, 5302, 5324, 7029, 7953, 7986, 8591, 8676, 9372, 10604, 11979, 14058, 15906, 15972, 17111, 17182, 23859, 23958, 25773, 28116, 29161, 31812, 34222, 34364, 47718, 47916, 51333, 51546, 58322, 68444, 77319, 87483, 94501, 95436, 102666, 103092, 116644, 153999, 154638, 174966, 188221, 189002, 205332, 262449, 283503, 307998, 309276, 320771, 349932, 376442, 378004, 524898, 564663, 567006, 615996, 641542, 752884, 850509, 962313, 1049796, 1129326, 1134012, 1283084, 1693989, 1701018, 1924626, 2070431, 2258652, 2886939, 3387978, 3402036, 3849252, 4140862, 5773878, 6211293, 6775956, 8281724, 11547756, 12422586, 18633879, 22774741, 24845172, 37267758, 45549482, 68324223, 74535516, 91098964, 136648446, 204972669, 273296892, 409945338, 819890676]

約数ペア:

[(1, 819890676), (2, 409945338), (3, 273296892), (4, 204972669), (6, 136648446), (9, 91098964), (11, 74535516), (12, 68324223), (18, 45549482), (22, 37267758), (33, 24845172), (36, 22774741), (44, 18633879), (66, 12422586), (71, 11547756), (99, 8281724), (121, 6775956), (132, 6211293), (142, 5773878), (198, 4140862), (213, 3849252), (241, 3402036), (242, 3387978), (284, 2886939), (363, 2258652), (396, 2070431), (426, 1924626), (482, 1701018), (484, 1693989), (639, 1283084), (723, 1134012), (726, 1129326), (781, 1049796), (852, 962313), (964, 850509), (1089, 752884), (1278, 641542), (1331, 615996), (1446, 567006), (1452, 564663), (1562, 524898), (2169, 378004), (2178, 376442), (2343, 349932), (2556, 320771), (2651, 309276), (2662, 307998), (2892, 283503), (3124, 262449), (3993, 205332), (4338, 189002), (4356, 188221), (4686, 174966), (5302, 154638), (5324, 153999), (7029, 116644), (7953, 103092), (7986, 102666), (8591, 95436), (8676, 94501), (9372, 87483), (10604, 77319), (11979, 68444), (14058, 58322), (15906, 51546), (15972, 51333), (17111, 47916), (17182, 47718), (23859, 34364), (23958, 34222), (25773, 31812), (28116, 29161)]