128289736

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{1283}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 249609600

約数和(自身を除く): 121319864

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 431, 862, 1283, 1724, 2566, 3448, 5132, 10264, 12499, 24998, 37207, 49996, 74414, 99992, 148828, 297656, 552973, 1105946, 2211892, 4423784, 16036217, 32072434, 64144868, 128289736]

約数ペア:

[(1, 128289736), (2, 64144868), (4, 32072434), (8, 16036217), (29, 4423784), (58, 2211892), (116, 1105946), (232, 552973), (431, 297656), (862, 148828), (1283, 99992), (1724, 74414), (2566, 49996), (3448, 37207), (5132, 24998), (10264, 12499)]