81957918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1453}}^1$

素因数の和:1561

約数の個数: 64

約数和(自身を含む): 201000960

約数和(自身を除く): 119043042

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 79, 102, 119, 158, 237, 238, 357, 474, 553, 714, 1106, 1343, 1453, 1659, 2686, 2906, 3318, 4029, 4359, 8058, 8718, 9401, 10171, 18802, 20342, 24701, 28203, 30513, 49402, 56406, 61026, 74103, 114787, 148206, 172907, 229574, 344361, 345814, 518721, 688722, 803509, 1037442, 1607018, 1951379, 2410527, 3902758, 4821054, 5854137, 11708274, 13659653, 27319306, 40978959, 81957918]

約数ペア:

[(1, 81957918), (2, 40978959), (3, 27319306), (6, 13659653), (7, 11708274), (14, 5854137), (17, 4821054), (21, 3902758), (34, 2410527), (42, 1951379), (51, 1607018), (79, 1037442), (102, 803509), (119, 688722), (158, 518721), (237, 345814), (238, 344361), (357, 229574), (474, 172907), (553, 148206), (714, 114787), (1106, 74103), (1343, 61026), (1453, 56406), (1659, 49402), (2686, 30513), (2906, 28203), (3318, 24701), (4029, 20342), (4359, 18802), (8058, 10171), (8718, 9401)]