821215274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{1171}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 1360945152

約数和(自身を除く): 539729878

約数列:

[1, 2, 11, 22, 127, 251, 254, 502, 1171, 1397, 2342, 2761, 2794, 5522, 12881, 25762, 31877, 63754, 148717, 293921, 297434, 350647, 587842, 701294, 1635887, 3233131, 3271774, 6466262, 37327967, 74655934, 410607637, 821215274]

約数ペア:

[(1, 821215274), (2, 410607637), (11, 74655934), (22, 37327967), (127, 6466262), (251, 3271774), (254, 3233131), (502, 1635887), (1171, 701294), (1397, 587842), (2342, 350647), (2761, 297434), (2794, 293921), (5522, 148717), (12881, 63754), (25762, 31877)]