221497998

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 490613760

約数和(自身を除く): 269115762

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 87, 102, 103, 174, 206, 309, 493, 618, 727, 986, 1454, 1479, 1751, 2181, 2958, 2987, 3502, 4362, 5253, 5974, 8961, 10506, 12359, 17922, 21083, 24718, 37077, 42166, 50779, 63249, 74154, 74881, 101558, 126498, 149762, 152337, 224643, 304674, 358411, 449286, 716822, 1075233, 1272977, 2150466, 2171549, 2545954, 3818931, 4343098, 6514647, 7637862, 13029294, 36916333, 73832666, 110748999, 221497998]

約数ペア:

[(1, 221497998), (2, 110748999), (3, 73832666), (6, 36916333), (17, 13029294), (29, 7637862), (34, 6514647), (51, 4343098), (58, 3818931), (87, 2545954), (102, 2171549), (103, 2150466), (174, 1272977), (206, 1075233), (309, 716822), (493, 449286), (618, 358411), (727, 304674), (986, 224643), (1454, 152337), (1479, 149762), (1751, 126498), (2181, 101558), (2958, 74881), (2987, 74154), (3502, 63249), (4362, 50779), (5253, 42166), (5974, 37077), (8961, 24718), (10506, 21083), (12359, 17922)]