81447828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:693

約数の個数: 96

約数和(自身を含む): 238737408

約数和(自身を除く): 157289580

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 181, 231, 308, 362, 462, 487, 543, 724, 924, 974, 1086, 1267, 1461, 1948, 1991, 2172, 2534, 2922, 3409, 3801, 3982, 5068, 5357, 5844, 5973, 6818, 7602, 7964, 10227, 10714, 11946, 13636, 13937, 15204, 16071, 20454, 21428, 23892, 27874, 32142, 37499, 40908, 41811, 55748, 64284, 74998, 83622, 88147, 112497, 149996, 167244, 176294, 224994, 264441, 352588, 449988, 528882, 617029, 969617, 1057764, 1234058, 1851087, 1939234, 2468116, 2908851, 3702174, 3878468, 5817702, 6787319, 7404348, 11635404, 13574638, 20361957, 27149276, 40723914, 81447828]

約数ペア:

[(1, 81447828), (2, 40723914), (3, 27149276), (4, 20361957), (6, 13574638), (7, 11635404), (11, 7404348), (12, 6787319), (14, 5817702), (21, 3878468), (22, 3702174), (28, 2908851), (33, 2468116), (42, 1939234), (44, 1851087), (66, 1234058), (77, 1057764), (84, 969617), (132, 617029), (154, 528882), (181, 449988), (231, 352588), (308, 264441), (362, 224994), (462, 176294), (487, 167244), (543, 149996), (724, 112497), (924, 88147), (974, 83622), (1086, 74998), (1267, 64284), (1461, 55748), (1948, 41811), (1991, 40908), (2172, 37499), (2534, 32142), (2922, 27874), (3409, 23892), (3801, 21428), (3982, 20454), (5068, 16071), (5357, 15204), (5844, 13937), (5973, 13636), (6818, 11946), (7602, 10714), (7964, 10227)]