28024381

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 9576899

約数列:

[1, 7, 11, 17, 77, 79, 119, 187, 271, 553, 869, 1309, 1343, 1897, 2981, 4607, 6083, 9401, 14773, 20867, 21409, 32249, 50677, 103411, 149863, 235499, 354739, 363953, 1648493, 2547671, 4003483, 28024381]

約数ペア:

[(1, 28024381), (7, 4003483), (11, 2547671), (17, 1648493), (77, 363953), (79, 354739), (119, 235499), (187, 149863), (271, 103411), (553, 50677), (869, 32249), (1309, 21409), (1343, 20867), (1897, 14773), (2981, 9401), (4607, 6083)]