8947984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:583

約数の個数: 40

約数和(自身を含む): 18668448

約数和(自身を除く): 9720464

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 491, 536, 982, 1072, 1139, 1964, 2278, 3928, 4556, 7856, 8347, 9112, 16694, 18224, 32897, 33388, 65794, 66776, 131588, 133552, 263176, 526352, 559249, 1118498, 2236996, 4473992, 8947984]

約数ペア:

[(1, 8947984), (2, 4473992), (4, 2236996), (8, 1118498), (16, 559249), (17, 526352), (34, 263176), (67, 133552), (68, 131588), (134, 66776), (136, 65794), (268, 33388), (272, 32897), (491, 18224), (536, 16694), (982, 9112), (1072, 8347), (1139, 7856), (1964, 4556), (2278, 3928)]