219318484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1427}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 479808000

約数和(自身を除く): 260489516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 499, 998, 1427, 1996, 2854, 3493, 5489, 5708, 6986, 9989, 10978, 13972, 15697, 19978, 21956, 31394, 38423, 39956, 62788, 76846, 109879, 153692, 219758, 439516, 712073, 1424146, 2848292, 4984511, 7832803, 9969022, 15665606, 19938044, 31331212, 54829621, 109659242, 219318484]

約数ペア:

[(1, 219318484), (2, 109659242), (4, 54829621), (7, 31331212), (11, 19938044), (14, 15665606), (22, 9969022), (28, 7832803), (44, 4984511), (77, 2848292), (154, 1424146), (308, 712073), (499, 439516), (998, 219758), (1427, 153692), (1996, 109879), (2854, 76846), (3493, 62788), (5489, 39956), (5708, 38423), (6986, 31394), (9989, 21956), (10978, 19978), (13972, 15697)]