28554316

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 31764404

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 101, 161, 202, 322, 404, 439, 644, 707, 878, 1414, 1756, 2323, 2828, 3073, 4646, 6146, 9292, 10097, 12292, 16261, 20194, 32522, 40388, 44339, 65044, 70679, 88678, 141358, 177356, 282716, 310373, 620746, 1019797, 1241492, 2039594, 4079188, 7138579, 14277158, 28554316]

約数ペア:

[(1, 28554316), (2, 14277158), (4, 7138579), (7, 4079188), (14, 2039594), (23, 1241492), (28, 1019797), (46, 620746), (92, 310373), (101, 282716), (161, 177356), (202, 141358), (322, 88678), (404, 70679), (439, 65044), (644, 44339), (707, 40388), (878, 32522), (1414, 20194), (1756, 16261), (2323, 12292), (2828, 10097), (3073, 9292), (4646, 6146)]