321458848

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{919}}^1$

素因数の和:1589

約数の個数: 48

約数和(自身を含む): 671872320

約数和(自身を除く): 350413472

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 643, 919, 1286, 1838, 2572, 3676, 5144, 7352, 10288, 10931, 14704, 15623, 20576, 21862, 29408, 31246, 43724, 62492, 87448, 124984, 174896, 249968, 349792, 499936, 590917, 1181834, 2363668, 4727336, 9454672, 10045589, 18909344, 20091178, 40182356, 80364712, 160729424, 321458848]

約数ペア:

[(1, 321458848), (2, 160729424), (4, 80364712), (8, 40182356), (16, 20091178), (17, 18909344), (32, 10045589), (34, 9454672), (68, 4727336), (136, 2363668), (272, 1181834), (544, 590917), (643, 499936), (919, 349792), (1286, 249968), (1838, 174896), (2572, 124984), (3676, 87448), (5144, 62492), (7352, 43724), (10288, 31246), (10931, 29408), (14704, 21862), (15623, 20576)]