145578728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{4481}}^1$

素因数の和:4649

約数の個数: 32

約数和(自身を含む): 283979520

約数和(自身を除く): 138400792

約数列:

[1, 2, 4, 8, 31, 62, 124, 131, 248, 262, 524, 1048, 4061, 4481, 8122, 8962, 16244, 17924, 32488, 35848, 138911, 277822, 555644, 587011, 1111288, 1174022, 2348044, 4696088, 18197341, 36394682, 72789364, 145578728]

約数ペア:

[(1, 145578728), (2, 72789364), (4, 36394682), (8, 18197341), (31, 4696088), (62, 2348044), (124, 1174022), (131, 1111288), (248, 587011), (262, 555644), (524, 277822), (1048, 138911), (4061, 35848), (4481, 32488), (8122, 17924), (8962, 16244)]