161661808

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 401085440

約数和(自身を除く): 239423632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 79, 88, 112, 121, 151, 154, 158, 176, 242, 302, 308, 316, 484, 553, 604, 616, 632, 847, 869, 968, 1057, 1106, 1208, 1232, 1264, 1661, 1694, 1738, 1936, 2114, 2212, 2416, 3322, 3388, 3476, 4228, 4424, 6083, 6644, 6776, 6952, 8456, 8848, 9559, 11627, 11929, 12166, 13288, 13552, 13904, 16912, 18271, 19118, 23254, 23858, 24332, 26576, 36542, 38236, 46508, 47716, 48664, 66913, 73084, 76472, 83503, 93016, 95432, 97328, 127897, 131219, 133826, 146168, 152944, 167006, 186032, 190864, 255794, 262438, 267652, 292336, 334012, 511588, 524876, 535304, 668024, 918533, 1023176, 1049752, 1070608, 1336048, 1443409, 1837066, 2046352, 2099504, 2886818, 3674132, 5773636, 7348264, 10103863, 11547272, 14696528, 20207726, 23094544, 40415452, 80830904, 161661808]

約数ペア:

[(1, 161661808), (2, 80830904), (4, 40415452), (7, 23094544), (8, 20207726), (11, 14696528), (14, 11547272), (16, 10103863), (22, 7348264), (28, 5773636), (44, 3674132), (56, 2886818), (77, 2099504), (79, 2046352), (88, 1837066), (112, 1443409), (121, 1336048), (151, 1070608), (154, 1049752), (158, 1023176), (176, 918533), (242, 668024), (302, 535304), (308, 524876), (316, 511588), (484, 334012), (553, 292336), (604, 267652), (616, 262438), (632, 255794), (847, 190864), (869, 186032), (968, 167006), (1057, 152944), (1106, 146168), (1208, 133826), (1232, 131219), (1264, 127897), (1661, 97328), (1694, 95432), (1738, 93016), (1936, 83503), (2114, 76472), (2212, 73084), (2416, 66913), (3322, 48664), (3388, 47716), (3476, 46508), (4228, 38236), (4424, 36542), (6083, 26576), (6644, 24332), (6776, 23858), (6952, 23254), (8456, 19118), (8848, 18271), (9559, 16912), (11627, 13904), (11929, 13552), (12166, 13288)]