221311636

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{86857}}^1$

素因数の和:86888

約数の個数: 36

約数和(自身を含む): 485188788

約数和(自身を除く): 263877152

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 86857, 173714, 347428, 607999, 1129141, 1215998, 2258282, 2431996, 4255993, 4516564, 7903987, 8511986, 15807974, 17023972, 31615948, 55327909, 110655818, 221311636]

約数ペア:

[(1, 221311636), (2, 110655818), (4, 55327909), (7, 31615948), (13, 17023972), (14, 15807974), (26, 8511986), (28, 7903987), (49, 4516564), (52, 4255993), (91, 2431996), (98, 2258282), (182, 1215998), (196, 1129141), (364, 607999), (637, 347428), (1274, 173714), (2548, 86857)]