28792868

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 55093248

約数和(自身を除く): 26300380

約数列:

[1, 2, 4, 13, 26, 52, 169, 191, 223, 338, 382, 446, 676, 764, 892, 2483, 2899, 4966, 5798, 9932, 11596, 32279, 37687, 42593, 64558, 75374, 85186, 129116, 150748, 170372, 553709, 1107418, 2214836, 7198217, 14396434, 28792868]

約数ペア:

[(1, 28792868), (2, 14396434), (4, 7198217), (13, 2214836), (26, 1107418), (52, 553709), (169, 170372), (191, 150748), (223, 129116), (338, 85186), (382, 75374), (446, 64558), (676, 42593), (764, 37687), (892, 32279), (2483, 11596), (2899, 9932), (4966, 5798)]