25499396

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:660

約数の個数: 36

約数和(自身を含む): 49128912

約数和(自身を除く): 23629516

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 169, 268, 338, 563, 676, 871, 1126, 1742, 2252, 3484, 7319, 11323, 14638, 22646, 29276, 37721, 45292, 75442, 95147, 150884, 190294, 380588, 490373, 980746, 1961492, 6374849, 12749698, 25499396]

約数ペア:

[(1, 25499396), (2, 12749698), (4, 6374849), (13, 1961492), (26, 980746), (52, 490373), (67, 380588), (134, 190294), (169, 150884), (268, 95147), (338, 75442), (563, 45292), (676, 37721), (871, 29276), (1126, 22646), (1742, 14638), (2252, 11323), (3484, 7319)]