661726648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{203233}}^1$

素因数の和:203287

約数の個数: 32

約数和(自身を含む): 1390120560

約数和(自身を除く): 728393912

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 203233, 406466, 812932, 1625864, 2235563, 4471126, 7519621, 8942252, 15039242, 17884504, 30078484, 60156968, 82715831, 165431662, 330863324, 661726648]

約数ペア:

[(1, 661726648), (2, 330863324), (4, 165431662), (8, 82715831), (11, 60156968), (22, 30078484), (37, 17884504), (44, 15039242), (74, 8942252), (88, 7519621), (148, 4471126), (296, 2235563), (407, 1625864), (814, 812932), (1628, 406466), (3256, 203233)]