128212798

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2663}}^1$

素因数の和:2872

約数の個数: 32

約数和(自身を含む): 232727040

約数和(自身を除く): 104514242

約数列:

[1, 2, 7, 14, 19, 38, 133, 181, 266, 362, 1267, 2534, 2663, 3439, 5326, 6878, 18641, 24073, 37282, 48146, 50597, 101194, 354179, 482003, 708358, 964006, 3374021, 6748042, 9158057, 18316114, 64106399, 128212798]

約数ペア:

[(1, 128212798), (2, 64106399), (7, 18316114), (14, 9158057), (19, 6748042), (38, 3374021), (133, 964006), (181, 708358), (266, 482003), (362, 354179), (1267, 101194), (2534, 50597), (2663, 48146), (3439, 37282), (5326, 24073), (6878, 18641)]