128297392

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{276503}}^1$

素因数の和:276540

約数の個数: 20

約数和(自身を含む): 257148720

約数和(自身を除く): 128851328

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 276503, 553006, 1106012, 2212024, 4424048, 8018587, 16037174, 32074348, 64148696, 128297392]

約数ペア:

[(1, 128297392), (2, 64148696), (4, 32074348), (8, 16037174), (16, 8018587), (29, 4424048), (58, 2212024), (116, 1106012), (232, 553006), (464, 276503)]