25916488

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 54515700

約数和(自身を除く): 28599212

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 169, 232, 338, 377, 661, 676, 754, 1322, 1352, 1508, 2644, 3016, 4901, 5288, 8593, 9802, 17186, 19169, 19604, 34372, 38338, 39208, 68744, 76676, 111709, 153352, 223418, 249197, 446836, 498394, 893672, 996788, 1993576, 3239561, 6479122, 12958244, 25916488]

約数ペア:

[(1, 25916488), (2, 12958244), (4, 6479122), (8, 3239561), (13, 1993576), (26, 996788), (29, 893672), (52, 498394), (58, 446836), (104, 249197), (116, 223418), (169, 153352), (232, 111709), (338, 76676), (377, 68744), (661, 39208), (676, 38338), (754, 34372), (1322, 19604), (1352, 19169), (1508, 17186), (2644, 9802), (3016, 8593), (4901, 5288)]