13102925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 19284480

約数和(自身を除く): 6181555

約数列:

[1, 5, 11, 25, 29, 31, 53, 55, 145, 155, 265, 275, 319, 341, 583, 725, 775, 899, 1325, 1537, 1595, 1643, 1705, 2915, 4495, 7685, 7975, 8215, 8525, 9889, 14575, 16907, 18073, 22475, 38425, 41075, 47647, 49445, 84535, 90365, 238235, 247225, 422675, 451825, 524117, 1191175, 2620585, 13102925]

約数ペア:

[(1, 13102925), (5, 2620585), (11, 1191175), (25, 524117), (29, 451825), (31, 422675), (53, 247225), (55, 238235), (145, 90365), (155, 84535), (265, 49445), (275, 47647), (319, 41075), (341, 38425), (583, 22475), (725, 18073), (775, 16907), (899, 14575), (1325, 9889), (1537, 8525), (1595, 8215), (1643, 7975), (1705, 7685), (2915, 4495)]