278096

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:219

約数の個数: 40

約数和(自身を含む): 666624

約数和(自身を除く): 388528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 191, 208, 364, 382, 728, 764, 1337, 1456, 1528, 2483, 2674, 3056, 4966, 5348, 9932, 10696, 17381, 19864, 21392, 34762, 39728, 69524, 139048, 278096]

約数ペア:

[(1, 278096), (2, 139048), (4, 69524), (7, 39728), (8, 34762), (13, 21392), (14, 19864), (16, 17381), (26, 10696), (28, 9932), (52, 5348), (56, 4966), (91, 3056), (104, 2674), (112, 2483), (182, 1528), (191, 1456), (208, 1337), (364, 764), (382, 728)]