28376478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{121267}}^1$

素因数の和:121288

約数の個数: 24

約数和(自身を含む): 66212328

約数和(自身を除く): 37835850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 121267, 242534, 363801, 727602, 1091403, 1576471, 2182806, 3152942, 4729413, 9458826, 14188239, 28376478]

約数ペア:

[(1, 28376478), (2, 14188239), (3, 9458826), (6, 4729413), (9, 3152942), (13, 2182806), (18, 1576471), (26, 1091403), (39, 727602), (78, 363801), (117, 242534), (234, 121267)]