16828784

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 39806976

約数和(自身を除く): 22978192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 131, 148, 217, 248, 259, 262, 296, 434, 496, 518, 524, 592, 868, 917, 1036, 1048, 1147, 1736, 1834, 2072, 2096, 2294, 3472, 3668, 4061, 4144, 4588, 4847, 7336, 8029, 8122, 9176, 9694, 14672, 16058, 16244, 18352, 19388, 28427, 32116, 32488, 33929, 38776, 56854, 64232, 64976, 67858, 77552, 113708, 128464, 135716, 150257, 227416, 271432, 300514, 454832, 542864, 601028, 1051799, 1202056, 2103598, 2404112, 4207196, 8414392, 16828784]

約数ペア:

[(1, 16828784), (2, 8414392), (4, 4207196), (7, 2404112), (8, 2103598), (14, 1202056), (16, 1051799), (28, 601028), (31, 542864), (37, 454832), (56, 300514), (62, 271432), (74, 227416), (112, 150257), (124, 135716), (131, 128464), (148, 113708), (217, 77552), (248, 67858), (259, 64976), (262, 64232), (296, 56854), (434, 38776), (496, 33929), (518, 32488), (524, 32116), (592, 28427), (868, 19388), (917, 18352), (1036, 16244), (1048, 16058), (1147, 14672), (1736, 9694), (1834, 9176), (2072, 8122), (2096, 8029), (2294, 7336), (3472, 4847), (3668, 4588), (4061, 4144)]