261520506

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1117609}}^1$

素因数の和:1117630

約数の個数: 24

約数和(自身を含む): 610215060

約数和(自身を除く): 348694554

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1117609, 2235218, 3352827, 6705654, 10058481, 14528917, 20116962, 29057834, 43586751, 87173502, 130760253, 261520506]

約数ペア:

[(1, 261520506), (2, 130760253), (3, 87173502), (6, 43586751), (9, 29057834), (13, 20116962), (18, 14528917), (26, 10058481), (39, 6705654), (78, 3352827), (117, 2235218), (234, 1117609)]