28305105808

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{243707}}^1$

素因数の和:243800

約数の個数: 80

約数和(自身を含む): 67450575744

約数和(自身を除く): 39145469936

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 61, 68, 112, 119, 122, 136, 238, 244, 272, 427, 476, 488, 854, 952, 976, 1037, 1708, 1904, 2074, 3416, 4148, 6832, 7259, 8296, 14518, 16592, 29036, 58072, 116144, 243707, 487414, 974828, 1705949, 1949656, 3411898, 3899312, 4143019, 6823796, 8286038, 13647592, 14866127, 16572076, 27295184, 29001133, 29732254, 33144152, 58002266, 59464508, 66288304, 104062889, 116004532, 118929016, 208125778, 232009064, 237858032, 252724159, 416251556, 464018128, 505448318, 832503112, 1010896636, 1665006224, 1769069113, 2021793272, 3538138226, 4043586544, 7076276452, 14152552904, 28305105808]

約数ペア:

[(1, 28305105808), (2, 14152552904), (4, 7076276452), (7, 4043586544), (8, 3538138226), (14, 2021793272), (16, 1769069113), (17, 1665006224), (28, 1010896636), (34, 832503112), (56, 505448318), (61, 464018128), (68, 416251556), (112, 252724159), (119, 237858032), (122, 232009064), (136, 208125778), (238, 118929016), (244, 116004532), (272, 104062889), (427, 66288304), (476, 59464508), (488, 58002266), (854, 33144152), (952, 29732254), (976, 29001133), (1037, 27295184), (1708, 16572076), (1904, 14866127), (2074, 13647592), (3416, 8286038), (4148, 6823796), (6832, 4143019), (7259, 3899312), (8296, 3411898), (14518, 1949656), (16592, 1705949), (29036, 974828), (58072, 487414), (116144, 243707)]