156721796

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 351017856

約数和(自身を除く): 194296060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 157, 196, 308, 314, 463, 539, 628, 926, 1078, 1099, 1727, 1852, 2156, 2198, 3241, 3454, 4396, 5093, 6482, 6908, 7693, 10186, 12089, 12964, 15386, 20372, 22687, 24178, 30772, 35651, 45374, 48356, 71302, 72691, 84623, 90748, 142604, 145382, 169246, 249557, 290764, 338492, 499114, 508837, 799601, 998228, 1017674, 1599202, 2035348, 3198404, 3561859, 5597207, 7123718, 11194414, 14247436, 22388828, 39180449, 78360898, 156721796]

約数ペア:

[(1, 156721796), (2, 78360898), (4, 39180449), (7, 22388828), (11, 14247436), (14, 11194414), (22, 7123718), (28, 5597207), (44, 3561859), (49, 3198404), (77, 2035348), (98, 1599202), (154, 1017674), (157, 998228), (196, 799601), (308, 508837), (314, 499114), (463, 338492), (539, 290764), (628, 249557), (926, 169246), (1078, 145382), (1099, 142604), (1727, 90748), (1852, 84623), (2156, 72691), (2198, 71302), (3241, 48356), (3454, 45374), (4396, 35651), (5093, 30772), (6482, 24178), (6908, 22687), (7693, 20372), (10186, 15386), (12089, 12964)]