391444222

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1265

約数の個数: 48

約数和(自身を含む): 679459968

約数和(自身を除く): 288015746

約数列:

[1, 2, 13, 23, 26, 43, 46, 86, 169, 299, 338, 559, 598, 989, 1118, 1171, 1978, 2342, 3887, 7267, 7774, 12857, 14534, 15223, 25714, 26933, 30446, 50353, 53866, 100706, 167141, 197899, 334282, 350129, 395798, 654589, 700258, 1158119, 1309178, 2316238, 4551677, 8509657, 9103354, 15055547, 17019314, 30111094, 195722111, 391444222]

約数ペア:

[(1, 391444222), (2, 195722111), (13, 30111094), (23, 17019314), (26, 15055547), (43, 9103354), (46, 8509657), (86, 4551677), (169, 2316238), (299, 1309178), (338, 1158119), (559, 700258), (598, 654589), (989, 395798), (1118, 350129), (1171, 334282), (1978, 197899), (2342, 167141), (3887, 100706), (7267, 53866), (7774, 50353), (12857, 30446), (14534, 26933), (15223, 25714)]