13149425

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 36

約数和(自身を含む): 18141696

約数和(自身を除く): 4992271

約数列:

[1, 5, 19, 25, 31, 47, 95, 155, 235, 361, 475, 589, 775, 893, 1175, 1457, 1805, 2945, 4465, 7285, 9025, 11191, 14725, 16967, 22325, 27683, 36425, 55955, 84835, 138415, 279775, 424175, 525977, 692075, 2629885, 13149425]

約数ペア:

[(1, 13149425), (5, 2629885), (19, 692075), (25, 525977), (31, 424175), (47, 279775), (95, 138415), (155, 84835), (235, 55955), (361, 36425), (475, 27683), (589, 22325), (775, 16967), (893, 14725), (1175, 11191), (1457, 9025), (1805, 7285), (2945, 4465)]