268551605

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 407554560

約数和(自身を除く): 139002955

約数列:

[1, 5, 7, 19, 31, 35, 49, 95, 133, 155, 217, 245, 589, 665, 931, 1085, 1519, 1861, 2945, 4123, 4655, 7595, 9305, 13027, 20615, 28861, 35359, 57691, 65135, 91189, 144305, 176795, 247513, 288455, 403837, 455945, 1096129, 1237565, 1732591, 2019185, 2826859, 5480645, 7672903, 8662955, 14134295, 38364515, 53710321, 268551605]

約数ペア:

[(1, 268551605), (5, 53710321), (7, 38364515), (19, 14134295), (31, 8662955), (35, 7672903), (49, 5480645), (95, 2826859), (133, 2019185), (155, 1732591), (217, 1237565), (245, 1096129), (589, 455945), (665, 403837), (931, 288455), (1085, 247513), (1519, 176795), (1861, 144305), (2945, 91189), (4123, 65135), (4655, 57691), (7595, 35359), (9305, 28861), (13027, 20615)]