28954324

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 30920876

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 109, 179, 212, 218, 358, 371, 436, 716, 742, 763, 1253, 1484, 1526, 2506, 3052, 5012, 5777, 9487, 11554, 18974, 19511, 23108, 37948, 39022, 40439, 66409, 78044, 80878, 132818, 136577, 161756, 265636, 273154, 546308, 1034083, 2068166, 4136332, 7238581, 14477162, 28954324]

約数ペア:

[(1, 28954324), (2, 14477162), (4, 7238581), (7, 4136332), (14, 2068166), (28, 1034083), (53, 546308), (106, 273154), (109, 265636), (179, 161756), (212, 136577), (218, 132818), (358, 80878), (371, 78044), (436, 66409), (716, 40439), (742, 39022), (763, 37948), (1253, 23108), (1484, 19511), (1526, 18974), (2506, 11554), (3052, 9487), (5012, 5777)]