2220218

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 4475520

約数和(自身を除く): 2255302

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 1109, 2002, 2218, 7763, 12199, 14417, 15526, 24398, 28834, 85393, 100919, 158587, 170786, 201838, 317174, 1110109, 2220218]

約数ペア:

[(1, 2220218), (2, 1110109), (7, 317174), (11, 201838), (13, 170786), (14, 158587), (22, 100919), (26, 85393), (77, 28834), (91, 24398), (143, 15526), (154, 14417), (182, 12199), (286, 7763), (1001, 2218), (1109, 2002)]