7777728

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{643}}^1$

素因数の和:671

約数の個数: 112

約数和(自身を含む): 26172160

約数和(自身を除く): 18394432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 448, 504, 576, 643, 672, 756, 864, 1008, 1286, 1344, 1512, 1728, 1929, 2016, 2572, 3024, 3858, 4032, 4501, 5144, 5787, 6048, 7716, 9002, 10288, 11574, 12096, 13503, 15432, 17361, 18004, 20576, 23148, 27006, 30864, 34722, 36008, 40509, 41152, 46296, 54012, 61728, 69444, 72016, 81018, 92592, 108024, 121527, 123456, 138888, 144032, 162036, 185184, 216048, 243054, 277776, 288064, 324072, 370368, 432096, 486108, 555552, 648144, 864192, 972216, 1111104, 1296288, 1944432, 2592576, 3888864, 7777728]

約数ペア:

[(1, 7777728), (2, 3888864), (3, 2592576), (4, 1944432), (6, 1296288), (7, 1111104), (8, 972216), (9, 864192), (12, 648144), (14, 555552), (16, 486108), (18, 432096), (21, 370368), (24, 324072), (27, 288064), (28, 277776), (32, 243054), (36, 216048), (42, 185184), (48, 162036), (54, 144032), (56, 138888), (63, 123456), (64, 121527), (72, 108024), (84, 92592), (96, 81018), (108, 72016), (112, 69444), (126, 61728), (144, 54012), (168, 46296), (189, 41152), (192, 40509), (216, 36008), (224, 34722), (252, 30864), (288, 27006), (336, 23148), (378, 20576), (432, 18004), (448, 17361), (504, 15432), (576, 13503), (643, 12096), (672, 11574), (756, 10288), (864, 9002), (1008, 7716), (1286, 6048), (1344, 5787), (1512, 5144), (1728, 4501), (1929, 4032), (2016, 3858), (2572, 3024)]