28645396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 57746304

約数和(自身を除く): 29100908

約数列:

[1, 2, 4, 13, 23, 26, 43, 46, 52, 86, 92, 172, 299, 557, 559, 598, 989, 1114, 1118, 1196, 1978, 2228, 2236, 3956, 7241, 12811, 12857, 14482, 23951, 25622, 25714, 28964, 47902, 51244, 51428, 95804, 166543, 311363, 333086, 550873, 622726, 666172, 1101746, 1245452, 2203492, 7161349, 14322698, 28645396]

約数ペア:

[(1, 28645396), (2, 14322698), (4, 7161349), (13, 2203492), (23, 1245452), (26, 1101746), (43, 666172), (46, 622726), (52, 550873), (86, 333086), (92, 311363), (172, 166543), (299, 95804), (557, 51428), (559, 51244), (598, 47902), (989, 28964), (1114, 25714), (1118, 25622), (1196, 23951), (1978, 14482), (2228, 12857), (2236, 12811), (3956, 7241)]