71740942

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 138378240

約数和(自身を除く): 66637298

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 89, 91, 103, 178, 182, 206, 301, 559, 602, 623, 721, 1118, 1157, 1246, 1339, 1442, 2314, 2678, 3827, 3913, 4429, 7654, 7826, 8099, 8858, 9167, 9373, 16198, 18334, 18746, 26789, 31003, 49751, 53578, 57577, 62006, 64169, 99502, 115154, 119171, 128338, 238342, 348257, 394181, 403039, 696514, 788362, 806078, 834197, 1668394, 2759267, 5124353, 5518534, 10248706, 35870471, 71740942]

約数ペア:

[(1, 71740942), (2, 35870471), (7, 10248706), (13, 5518534), (14, 5124353), (26, 2759267), (43, 1668394), (86, 834197), (89, 806078), (91, 788362), (103, 696514), (178, 403039), (182, 394181), (206, 348257), (301, 238342), (559, 128338), (602, 119171), (623, 115154), (721, 99502), (1118, 64169), (1157, 62006), (1246, 57577), (1339, 53578), (1442, 49751), (2314, 31003), (2678, 26789), (3827, 18746), (3913, 18334), (4429, 16198), (7654, 9373), (7826, 9167), (8099, 8858)]