2189471228

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1\times {\mathrm{1789}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 4432612800

約数和(自身を除く): 2243141572

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 401, 436, 763, 802, 1526, 1604, 1789, 2807, 3052, 3578, 5614, 7156, 11228, 12523, 25046, 43709, 50092, 87418, 174836, 195001, 305963, 390002, 611926, 717389, 780004, 1223852, 1365007, 1434778, 2730014, 2869556, 5021723, 5460028, 10043446, 20086892, 78195401, 156390802, 312781604, 547367807, 1094735614, 2189471228]

約数ペア:

[(1, 2189471228), (2, 1094735614), (4, 547367807), (7, 312781604), (14, 156390802), (28, 78195401), (109, 20086892), (218, 10043446), (401, 5460028), (436, 5021723), (763, 2869556), (802, 2730014), (1526, 1434778), (1604, 1365007), (1789, 1223852), (2807, 780004), (3052, 717389), (3578, 611926), (5614, 390002), (7156, 305963), (11228, 195001), (12523, 174836), (25046, 87418), (43709, 50092)]