261003756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1741}}^1$

素因数の和:1823

約数の個数: 72

約数和(自身を含む): 678083952

約数和(自身を除く): 417080196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 961, 1209, 1612, 1741, 1922, 2418, 2883, 3482, 3844, 4836, 5223, 5766, 6964, 10446, 11532, 12493, 20892, 22633, 24986, 37479, 45266, 49972, 53971, 67899, 74958, 90532, 107942, 135798, 149916, 161913, 215884, 271596, 323826, 647652, 701623, 1403246, 1673101, 2104869, 2806492, 3346202, 4209738, 5019303, 6692404, 8419476, 10038606, 20077212, 21750313, 43500626, 65250939, 87001252, 130501878, 261003756]

約数ペア:

[(1, 261003756), (2, 130501878), (3, 87001252), (4, 65250939), (6, 43500626), (12, 21750313), (13, 20077212), (26, 10038606), (31, 8419476), (39, 6692404), (52, 5019303), (62, 4209738), (78, 3346202), (93, 2806492), (124, 2104869), (156, 1673101), (186, 1403246), (372, 701623), (403, 647652), (806, 323826), (961, 271596), (1209, 215884), (1612, 161913), (1741, 149916), (1922, 135798), (2418, 107942), (2883, 90532), (3482, 74958), (3844, 67899), (4836, 53971), (5223, 49972), (5766, 45266), (6964, 37479), (10446, 24986), (11532, 22633), (12493, 20892)]