128495696

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26681}}^1$

素因数の和:26739

約数の個数: 40

約数和(自身を含む): 291153984

約数和(自身を除く): 162658288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 26681, 53362, 106724, 186767, 213448, 373534, 426896, 747068, 1147283, 1494136, 2294566, 2988272, 4589132, 8030981, 9178264, 16061962, 18356528, 32123924, 64247848, 128495696]

約数ペア:

[(1, 128495696), (2, 64247848), (4, 32123924), (7, 18356528), (8, 16061962), (14, 9178264), (16, 8030981), (28, 4589132), (43, 2988272), (56, 2294566), (86, 1494136), (112, 1147283), (172, 747068), (301, 426896), (344, 373534), (602, 213448), (688, 186767), (1204, 106724), (2408, 53362), (4816, 26681)]