64885864

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{983}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 125637120

約数和(自身を除く): 60751256

約数列:

[1, 2, 4, 8, 37, 74, 148, 223, 296, 446, 892, 983, 1784, 1966, 3932, 7864, 8251, 16502, 33004, 36371, 66008, 72742, 145484, 219209, 290968, 438418, 876836, 1753672, 8110733, 16221466, 32442932, 64885864]

約数ペア:

[(1, 64885864), (2, 32442932), (4, 16221466), (8, 8110733), (37, 1753672), (74, 876836), (148, 438418), (223, 290968), (296, 219209), (446, 145484), (892, 72742), (983, 66008), (1784, 36371), (1966, 33004), (3932, 16502), (7864, 8251)]