81954348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1979}}^1$

素因数の和:2039

約数の個数: 96

約数和(自身を含む): 239500800

約数和(自身を除く): 157546452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 29, 34, 42, 51, 58, 68, 84, 87, 102, 116, 119, 174, 203, 204, 238, 348, 357, 406, 476, 493, 609, 714, 812, 986, 1218, 1428, 1479, 1972, 1979, 2436, 2958, 3451, 3958, 5916, 5937, 6902, 7916, 10353, 11874, 13804, 13853, 20706, 23748, 27706, 33643, 41412, 41559, 55412, 57391, 67286, 83118, 100929, 114782, 134572, 166236, 172173, 201858, 229564, 235501, 344346, 401737, 403716, 471002, 688692, 706503, 803474, 942004, 975647, 1205211, 1413006, 1606948, 1951294, 2410422, 2826012, 2926941, 3902588, 4820844, 5853882, 6829529, 11707764, 13659058, 20488587, 27318116, 40977174, 81954348]

約数ペア:

[(1, 81954348), (2, 40977174), (3, 27318116), (4, 20488587), (6, 13659058), (7, 11707764), (12, 6829529), (14, 5853882), (17, 4820844), (21, 3902588), (28, 2926941), (29, 2826012), (34, 2410422), (42, 1951294), (51, 1606948), (58, 1413006), (68, 1205211), (84, 975647), (87, 942004), (102, 803474), (116, 706503), (119, 688692), (174, 471002), (203, 403716), (204, 401737), (238, 344346), (348, 235501), (357, 229564), (406, 201858), (476, 172173), (493, 166236), (609, 134572), (714, 114782), (812, 100929), (986, 83118), (1218, 67286), (1428, 57391), (1479, 55412), (1972, 41559), (1979, 41412), (2436, 33643), (2958, 27706), (3451, 23748), (3958, 20706), (5916, 13853), (5937, 13804), (6902, 11874), (7916, 10353)]