51721512

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 132710400

約数和(自身を除く): 80988888

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 127, 142, 213, 239, 254, 284, 381, 426, 478, 508, 568, 717, 762, 852, 956, 1016, 1434, 1524, 1704, 1912, 2868, 3048, 5736, 9017, 16969, 18034, 27051, 30353, 33938, 36068, 50907, 54102, 60706, 67876, 72136, 91059, 101814, 108204, 121412, 135752, 182118, 203628, 216408, 242824, 364236, 407256, 728472, 2155063, 4310126, 6465189, 8620252, 12930378, 17240504, 25860756, 51721512]

約数ペア:

[(1, 51721512), (2, 25860756), (3, 17240504), (4, 12930378), (6, 8620252), (8, 6465189), (12, 4310126), (24, 2155063), (71, 728472), (127, 407256), (142, 364236), (213, 242824), (239, 216408), (254, 203628), (284, 182118), (381, 135752), (426, 121412), (478, 108204), (508, 101814), (568, 91059), (717, 72136), (762, 67876), (852, 60706), (956, 54102), (1016, 50907), (1434, 36068), (1524, 33938), (1704, 30353), (1912, 27051), (2868, 18034), (3048, 16969), (5736, 9017)]