128345392

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{5431}}^1$

素因数の和:5657

約数の個数: 40

約数和(自身を含む): 285592832

約数和(自身を除く): 157247440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1477, 1688, 2954, 3376, 5431, 5908, 10862, 11816, 21724, 23632, 38017, 43448, 76034, 86896, 152068, 304136, 608272, 1145941, 2291882, 4583764, 8021587, 9167528, 16043174, 18335056, 32086348, 64172696, 128345392]

約数ペア:

[(1, 128345392), (2, 64172696), (4, 32086348), (7, 18335056), (8, 16043174), (14, 9167528), (16, 8021587), (28, 4583764), (56, 2291882), (112, 1145941), (211, 608272), (422, 304136), (844, 152068), (1477, 86896), (1688, 76034), (2954, 43448), (3376, 38017), (5431, 23632), (5908, 21724), (10862, 11816)]