219005488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{3181}}^1$

素因数の和:3533

約数の個数: 40

約数和(自身を含む): 458488016

約数和(自身を除く): 239482528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331, 662, 1324, 2648, 3181, 4303, 5296, 6362, 8606, 12724, 17212, 25448, 34424, 41353, 50896, 68848, 82706, 165412, 330824, 661648, 1052911, 2105822, 4211644, 8423288, 13687843, 16846576, 27375686, 54751372, 109502744, 219005488]

約数ペア:

[(1, 219005488), (2, 109502744), (4, 54751372), (8, 27375686), (13, 16846576), (16, 13687843), (26, 8423288), (52, 4211644), (104, 2105822), (208, 1052911), (331, 661648), (662, 330824), (1324, 165412), (2648, 82706), (3181, 68848), (4303, 50896), (5296, 41353), (6362, 34424), (8606, 25448), (12724, 17212)]