17881170047

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 21230173440

約数和(自身を除く): 3349003393

約数列:

[1, 13, 19, 31, 89, 247, 361, 403, 589, 1157, 1381, 1691, 2759, 4693, 7657, 11191, 17953, 21983, 26239, 32129, 35867, 42811, 52421, 122909, 145483, 341107, 417677, 498541, 556543, 681473, 813409, 995999, 1597817, 2335271, 3810179, 6481033, 10574317, 12947987, 15454771, 30358523, 44370149, 49532327, 72393401, 200912023, 576811937, 941114213, 1375474619, 17881170047]

約数ペア:

[(1, 17881170047), (13, 1375474619), (19, 941114213), (31, 576811937), (89, 200912023), (247, 72393401), (361, 49532327), (403, 44370149), (589, 30358523), (1157, 15454771), (1381, 12947987), (1691, 10574317), (2759, 6481033), (4693, 3810179), (7657, 2335271), (11191, 1597817), (17953, 995999), (21983, 813409), (26239, 681473), (32129, 556543), (35867, 498541), (42811, 417677), (52421, 341107), (122909, 145483)]