16503115

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 21506688

約数和(自身を除く): 5003573

約数列:

[1, 5, 19, 41, 95, 205, 223, 361, 779, 1115, 1805, 3895, 4237, 9143, 14801, 21185, 45715, 74005, 80503, 173717, 402515, 868585, 3300623, 16503115]

約数ペア:

[(1, 16503115), (5, 3300623), (19, 868585), (41, 402515), (95, 173717), (205, 80503), (223, 74005), (361, 45715), (779, 21185), (1115, 14801), (1805, 9143), (3895, 4237)]