208504998

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{891047}}^1$

素因数の和:891068

約数の個数: 24

約数和(自身を含む): 486512208

約数和(自身を除く): 278007210

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 891047, 1782094, 2673141, 5346282, 8019423, 11583611, 16038846, 23167222, 34750833, 69501666, 104252499, 208504998]

約数ペア:

[(1, 208504998), (2, 104252499), (3, 69501666), (6, 34750833), (9, 23167222), (13, 16038846), (18, 11583611), (26, 8019423), (39, 5346282), (78, 2673141), (117, 1782094), (234, 891047)]