209940354

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1109}}^1$

素因数の和:1939

約数の個数: 48

約数和(自身を含む): 490908600

約数和(自身を除く): 280968246

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 809, 1109, 1618, 2218, 2427, 3327, 4854, 6654, 7281, 9981, 10517, 14417, 14562, 19962, 21034, 28834, 31551, 43251, 63102, 86502, 94653, 129753, 189306, 259506, 897181, 1794362, 2691543, 5383086, 8074629, 11663353, 16149258, 23326706, 34990059, 69980118, 104970177, 209940354]

約数ペア:

[(1, 209940354), (2, 104970177), (3, 69980118), (6, 34990059), (9, 23326706), (13, 16149258), (18, 11663353), (26, 8074629), (39, 5383086), (78, 2691543), (117, 1794362), (234, 897181), (809, 259506), (1109, 189306), (1618, 129753), (2218, 94653), (2427, 86502), (3327, 63102), (4854, 43251), (6654, 31551), (7281, 28834), (9981, 21034), (10517, 19962), (14417, 14562)]