28008848

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 65995776

約数和(自身を除く): 37986928

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 83, 92, 112, 131, 161, 166, 184, 262, 322, 332, 368, 524, 581, 644, 664, 917, 1048, 1162, 1288, 1328, 1834, 1909, 2096, 2324, 2576, 3013, 3668, 3818, 4648, 6026, 7336, 7636, 9296, 10873, 12052, 13363, 14672, 15272, 21091, 21746, 24104, 26726, 30544, 42182, 43492, 48208, 53452, 76111, 84364, 86984, 106904, 152222, 168728, 173968, 213808, 250079, 304444, 337456, 500158, 608888, 1000316, 1217776, 1750553, 2000632, 3501106, 4001264, 7002212, 14004424, 28008848]

約数ペア:

[(1, 28008848), (2, 14004424), (4, 7002212), (7, 4001264), (8, 3501106), (14, 2000632), (16, 1750553), (23, 1217776), (28, 1000316), (46, 608888), (56, 500158), (83, 337456), (92, 304444), (112, 250079), (131, 213808), (161, 173968), (166, 168728), (184, 152222), (262, 106904), (322, 86984), (332, 84364), (368, 76111), (524, 53452), (581, 48208), (644, 43492), (664, 42182), (917, 30544), (1048, 26726), (1162, 24104), (1288, 21746), (1328, 21091), (1834, 15272), (1909, 14672), (2096, 13363), (2324, 12052), (2576, 10873), (3013, 9296), (3668, 7636), (3818, 7336), (4648, 6026)]