81539934

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 193314816

約数和(自身を除く): 111774882

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 137, 222, 259, 274, 383, 411, 518, 766, 777, 822, 959, 1149, 1554, 1918, 2298, 2681, 2877, 5069, 5362, 5754, 8043, 10138, 14171, 15207, 16086, 28342, 30414, 35483, 42513, 52471, 70966, 85026, 99197, 104942, 106449, 157413, 198394, 212898, 297591, 314826, 367297, 595182, 734594, 1101891, 1941427, 2203782, 3882854, 5824281, 11648562, 13589989, 27179978, 40769967, 81539934]

約数ペア:

[(1, 81539934), (2, 40769967), (3, 27179978), (6, 13589989), (7, 11648562), (14, 5824281), (21, 3882854), (37, 2203782), (42, 1941427), (74, 1101891), (111, 734594), (137, 595182), (222, 367297), (259, 314826), (274, 297591), (383, 212898), (411, 198394), (518, 157413), (766, 106449), (777, 104942), (822, 99197), (959, 85026), (1149, 70966), (1554, 52471), (1918, 42513), (2298, 35483), (2681, 30414), (2877, 28342), (5069, 16086), (5362, 15207), (5754, 14171), (8043, 10138)]