128796844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{21059}}^1$

素因数の和:21213

約数の個数: 24

約数和(自身を含む): 247665600

約数和(自身を除く): 118868756

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 6116, 21059, 42118, 84236, 231649, 463298, 926596, 2927201, 5854402, 11708804, 32199211, 64398422, 128796844]

約数ペア:

[(1, 128796844), (2, 64398422), (4, 32199211), (11, 11708804), (22, 5854402), (44, 2927201), (139, 926596), (278, 463298), (556, 231649), (1529, 84236), (3058, 42118), (6116, 21059)]