161999936

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:364

約数の個数: 112

約数和(自身を含む): 395020800

約数和(自身を除く): 233020864

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 89, 112, 119, 136, 178, 224, 238, 239, 272, 356, 448, 476, 478, 544, 623, 712, 952, 956, 1088, 1246, 1424, 1513, 1673, 1904, 1912, 2492, 2848, 3026, 3346, 3808, 3824, 4063, 4984, 5696, 6052, 6692, 7616, 7648, 8126, 9968, 10591, 12104, 13384, 15296, 16252, 19936, 21182, 21271, 24208, 26768, 28441, 32504, 39872, 42364, 42542, 48416, 53536, 56882, 65008, 84728, 85084, 96832, 107072, 113764, 130016, 148897, 169456, 170168, 227528, 260032, 297794, 338912, 340336, 361607, 455056, 595588, 677824, 680672, 723214, 910112, 1191176, 1361344, 1446428, 1820224, 2382352, 2531249, 2892856, 4764704, 5062498, 5785712, 9529408, 10124996, 11571424, 20249992, 23142848, 40499984, 80999968, 161999936]

約数ペア:

[(1, 161999936), (2, 80999968), (4, 40499984), (7, 23142848), (8, 20249992), (14, 11571424), (16, 10124996), (17, 9529408), (28, 5785712), (32, 5062498), (34, 4764704), (56, 2892856), (64, 2531249), (68, 2382352), (89, 1820224), (112, 1446428), (119, 1361344), (136, 1191176), (178, 910112), (224, 723214), (238, 680672), (239, 677824), (272, 595588), (356, 455056), (448, 361607), (476, 340336), (478, 338912), (544, 297794), (623, 260032), (712, 227528), (952, 170168), (956, 169456), (1088, 148897), (1246, 130016), (1424, 113764), (1513, 107072), (1673, 96832), (1904, 85084), (1912, 84728), (2492, 65008), (2848, 56882), (3026, 53536), (3346, 48416), (3808, 42542), (3824, 42364), (4063, 39872), (4984, 32504), (5696, 28441), (6052, 26768), (6692, 24208), (7616, 21271), (7648, 21182), (8126, 19936), (9968, 16252), (10591, 15296), (12104, 13384)]