407625169

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2113}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 493559808

約数和(自身を除く): 85934639

約数列:

[1, 7, 31, 49, 127, 217, 889, 1519, 2113, 3937, 6223, 14791, 27559, 65503, 103537, 192913, 268351, 458521, 1878457, 3209647, 8318881, 13149199, 58232167, 407625169]

約数ペア:

[(1, 407625169), (7, 58232167), (31, 13149199), (49, 8318881), (127, 3209647), (217, 1878457), (889, 458521), (1519, 268351), (2113, 192913), (3937, 103537), (6223, 65503), (14791, 27559)]