13290475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 18570240

約数和(自身を除く): 5279765

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1559, 1705, 7795, 8525, 17149, 38975, 48329, 85745, 241645, 428725, 531619, 1208225, 2658095, 13290475]

約数ペア:

[(1, 13290475), (5, 2658095), (11, 1208225), (25, 531619), (31, 428725), (55, 241645), (155, 85745), (275, 48329), (341, 38975), (775, 17149), (1559, 8525), (1705, 7795)]