311917697

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2099}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 406425600

約数和(自身を除く): 94507903

約数列:

[1, 7, 13, 23, 71, 91, 161, 299, 497, 923, 1633, 2093, 2099, 6461, 11431, 14693, 21229, 27287, 48277, 148603, 149029, 191009, 337939, 627601, 1043203, 1937377, 3427667, 4393207, 13561639, 23993669, 44559671, 311917697]

約数ペア:

[(1, 311917697), (7, 44559671), (13, 23993669), (23, 13561639), (71, 4393207), (91, 3427667), (161, 1937377), (299, 1043203), (497, 627601), (923, 337939), (1633, 191009), (2093, 149029), (2099, 148603), (6461, 48277), (11431, 27287), (14693, 21229)]